diff --git a/lib/ast/function_expression.rb b/lib/ast/function_expression.rb
index e8d8f15b..7be2efa4 100644
--- a/lib/ast/function_expression.rb
+++ b/lib/ast/function_expression.rb
@@ -7,7 +7,7 @@ module Ast
         Virtual::Argument.new( p.name , Virtual::Mystery.new )
       end
       r = receiver ? receiver.compile(frame,method) : Virtual::SelfReference.new
-      method = Virtual::Method.new(name , args , r )
+      method = Virtual::MethodDefinition.new(name , args , r )
       frame = frame.new_frame
       return_type = nil
       body.each do |ex|
diff --git a/lib/boot/boot_class.rb b/lib/boot/boot_class.rb
index 37dc7920..cc221628 100644
--- a/lib/boot/boot_class.rb
+++ b/lib/boot/boot_class.rb
@@ -4,28 +4,28 @@ module Boot
   # class is mainly a list of methods with a name (for now)
   # layout of object is seperated into Layout
   class BootClass < Virtual::ObjectConstant
-    def initialize name , super_class = :Object
+    def initialize name , super_class_name = :Object
       super()
       # class methods
-      @methods = []
+      @method_definitions = []
       @name = name.to_sym
-      @super_class = super_class
+      @super_class_name = super_class_name.to_sym
       @meta_class = MetaClass.new(self)
     end
     attr_reader :name , :methods , :meta_class , :context , :super_class
     def attributes
       [:name , :super_class]
     end
-    def add_method method
-      raise "not a method #{method}" unless method.is_a? Virtual::Method
+    def add_method_definition method
+      raise "not a method #{method}" unless method.is_a? Virtual::MethodDefinition
       raise "syserr " unless method.name.is_a? Symbol
-      @methods << method
+      @method_definitions << method
     end
 
-    def get_method fname
+    def get_method_definition fname
       fname = fname.to_sym
-      f = @methods.detect{ |f| f.name == fname }
-      names = @methods.collect{|f| f.name } 
+      f = @method_definitions.detect{ |f| f.name == fname }
+      names = @method_definitions.collect{|f| f.name } 
       f
     end
 
@@ -33,7 +33,7 @@ module Boot
     def resolve_method name
       fun = get_method name
       unless fun or name == :Object
-        supr = @context.object_space.get_or_create_class(@super_class)
+        supr = @context.object_space.get_or_create_class(@super_class_name)
         fun = supr.get_method name
         puts "#{supr.methods.collect(&:name)} for #{name} GOT #{fun.class}" if name == :index_of
       end
diff --git a/lib/boot/boot_space.rb b/lib/boot/boot_space.rb
index 3010b1fb..20cb11e4 100644
--- a/lib/boot/boot_space.rb
+++ b/lib/boot/boot_space.rb
@@ -5,13 +5,13 @@ require "boot/object"
 require "boot/string"
 
 module Boot
-  # The BootSpace is contains all objects for a program. In functional terms it is a program, but on oo
+  # The BootSpace contains all objects for a program. In functional terms it is a program, but in oo
   # it is a collection of objects, some of which are data, some classes, some functions
 
   # The main entry is a function called (of all things) "main", This _must be supplied by the compling
   # There is a start and exit block that call main, which receives an array of strings
 
-  # While data "ususally" would live in a .data section, we may also "inline" it into the code
+  # While data ususally would live in a .data section, we may also "inline" it into the code
   # in an oo system all data is represented as objects
    
   class BootSpace
@@ -21,7 +21,7 @@ module Boot
     def initialize machine = nil
       super()
       @classes = {}
-      @main = Virtual::Method.new("main" , [] )
+      @main = Virtual::MethodDefinition.new("main" , [] )
       #global objects (data)
       @objects = []
       boot_classes
@@ -43,24 +43,24 @@ module Boot
 
     # boot the classes, ie create a minimal set of classes with a minimal set of functions
     # minimal means only that which can not be coded in ruby
-    # Functions are grabbed from respective modules by sending the sunction name. This should return the 
-    # implementation of the function (ie a function object), not actually try to implement it (as that's impossible in ruby)
+    # MethodDefinitions are grabbed from respective modules by sending the method name. This should return the 
+    # implementation of the method (ie a method object), not actually try to implement it (as that's impossible in ruby)
     def boot_classes
       # very fiddly chicken 'n egg problem. Functions need to be in the right order, and in fact we have to define some 
       # dummies, just for the other to compile
       obj = get_or_create_class :Object
       [:index_of , :_get_instance_variable , :_set_instance_variable].each do |f|
         #puts "Boot Object::#{f}"
-        obj.add_method Boot::Object.send(f , @context)
+        obj.add_method_definition Boot::Object.send(f , @context)
       end
       [:putstring,:putint,:fibo,:exit].each do |f|
         #puts "Boot Kernel::#{f}"
-        obj.add_method Crystal::Kernel.send(f , @context)
+        obj.add_method_definition Crystal::Kernel.send(f , @context)
       end
       obj = get_or_create_class :String
       [:get , :set].each do |f|
         #puts "Boot String::#{f}"
-        obj.add_method Boot::String.send(f , @context)
+        obj.add_method_definition Boot::String.send(f , @context)
       end
     end
 
diff --git a/lib/boot/object.rb b/lib/boot/object.rb
index 7405c711..5e334a58 100644
--- a/lib/boot/object.rb
+++ b/lib/boot/object.rb
@@ -6,7 +6,7 @@ module Boot
       # set/get instance variable use it. 
       # This is just a placeholder, as we code this in ruby, but the instance methods need the definition before.
       def index_of context , name = Virtual::Integer
-        index_function = Virtual::Method.new(:index_of , Virtual::Reference , [Virtual::Reference] , Virtual::Integer )
+        index_function = Virtual::MethodDefinition.new(:index_of , Virtual::Reference , [Virtual::Reference] , Virtual::Integer )
         return index_function
       end
 
@@ -23,7 +23,7 @@ module Boot
       #  end  
       # The at_index is just "below" the api, something we need but don't want to expose, so we can't code the above in ruby
       def _get_instance_variable context , name = Virtual::Integer
-        get_function = Virtual::Method.new(:_get_instance_variable , [ Virtual::Reference ] , Virtual::Reference ,Virtual::Mystery )
+        get_function = Virtual::MethodDefinition.new(:_get_instance_variable , [ Virtual::Reference ] , Virtual::Reference ,Virtual::Mystery )
         return get_function
         me = get_function.receiver
         var_name = get_function.args.first
@@ -44,7 +44,7 @@ module Boot
       end
 
       def _set_instance_variable(context , name = Virtual::Integer , value = Virtual::Integer )
-        set_function = Virtual::Method.new(:_set_instance_variable ,[Virtual::Reference ,Virtual::Reference], Virtual::Reference ,Virtual::Mystery )
+        set_function = Virtual::MethodDefinition.new(:_set_instance_variable ,[Virtual::Reference ,Virtual::Reference], Virtual::Reference ,Virtual::Mystery )
         return set_function
         receiver set_function
         me = set_function.receiver
diff --git a/lib/boot/string.rb b/lib/boot/string.rb
index 3917fef7..cc12f462 100644
--- a/lib/boot/string.rb
+++ b/lib/boot/string.rb
@@ -2,11 +2,11 @@ module Boot
   class String
     module ClassMethods
       def get context , index = Virtual::Integer
-        get_function = Virtual::Method.new(:get , [ Virtual::Integer] , Virtual::Integer , Virtual::Integer )
+        get_function = Virtual::MethodDefinition.new(:get , [ Virtual::Integer] , Virtual::Integer , Virtual::Integer )
         return get_function
       end
       def set context , index = Virtual::Integer , char = Virtual::Integer
-        set_function = Virtual::Method.new(:set , [Virtual::Integer, Virtual::Integer] , Virtual::Integer ,Virtual::Integer )
+        set_function = Virtual::MethodDefinition.new(:set , [Virtual::Integer, Virtual::Integer] , Virtual::Integer ,Virtual::Integer )
         return set_function
       end
     end
diff --git a/lib/kernel/integer.rb b/lib/kernel/integer.rb
index 87368ef3..ea691648 100644
--- a/lib/kernel/integer.rb
+++ b/lib/kernel/integer.rb
@@ -7,7 +7,7 @@ module Crystal
     # As we write before we recurse (save a push) we write the number backwards
     # arguments: string address , integer
     def self.utoa context
-      utoa_function = Virtual::Method.new(:utoa ,  [ Virtual::Integer ] , Virtual::Integer ,Virtual::Integer )
+      utoa_function = Virtual::MethodDefinition.new(:utoa ,  [ Virtual::Integer ] , Virtual::Integer ,Virtual::Integer )
       return utoa_function
       str_addr = utoa_function.receiver
       number = utoa_function.args.first
@@ -25,7 +25,7 @@ module Crystal
     end
 
     def self.putint context
-      putint_function = Virtual::Method.new(:putint , [] , Virtual::Integer ,Virtual::Integer )
+      putint_function = Virtual::MethodDefinition.new(:putint , [] , Virtual::Integer ,Virtual::Integer )
       return putint_function
       buffer = Virtual::StringConstant.new("           ") # create a buffer
       context.object_space.add_object buffer              # and save it (function local variable: a no no)
@@ -52,7 +52,7 @@ module Crystal
     # a hand coded version of the fibonachi numbers
     # not my hand off course, found in the net http://www.peter-cockerell.net/aalp/html/ch-5.html
     def self.fibo context
-      fibo_function = Virtual::Method.new(:fibo ,  [] , Virtual::Integer ,Virtual::Integer )
+      fibo_function = Virtual::MethodDefinition.new(:fibo ,  [] , Virtual::Integer ,Virtual::Integer )
       return fibo_function
       result = fibo_function.return_type
       int = fibo_function.receiver
diff --git a/lib/kernel/string.rb b/lib/kernel/string.rb
index aeb5ca33..1d53b17c 100644
--- a/lib/kernel/string.rb
+++ b/lib/kernel/string.rb
@@ -1,7 +1,7 @@
 module Crystal
   module Kernel
     def self.putstring context 
-      function = Virtual::Method.new(:putstring , [] )
+      function = Virtual::MethodDefinition.new(:putstring , [] )
       return function
       ret = Virtual::RegisterMachine.instance.write_stdout(function)
       function.set_return ret
diff --git a/lib/kernel/system.rb b/lib/kernel/system.rb
index ffdc016d..8dec9170 100644
--- a/lib/kernel/system.rb
+++ b/lib/kernel/system.rb
@@ -1,7 +1,7 @@
 module Crystal
   module Kernel
     def self.exit context
-      function = Virtual::Method.new(:exit , [] , Virtual::Integer)
+      function = Virtual::MethodDefinition.new(:exit , [] , Virtual::Integer)
       return function
       ret = Virtual::RegisterMachine.instance.exit(function)
       function.set_return ret
diff --git a/lib/virtual/instruction.rb b/lib/virtual/instruction.rb
index 3854f5ff..491914a3 100644
--- a/lib/virtual/instruction.rb
+++ b/lib/virtual/instruction.rb
@@ -29,7 +29,7 @@ module Virtual
   end
 
   # following classes are stubs. currently in brainstorming mode, so anything may change anytime
-  class MethodEnter < Instruction
+  class MethodDefinitionEnter < Instruction
   end
 
   class FrameGet < Instruction
diff --git a/lib/virtual/machine.rb b/lib/virtual/machine.rb
index a9c9fdb6..671ed2ac 100644
--- a/lib/virtual/machine.rb
+++ b/lib/virtual/machine.rb
@@ -52,7 +52,7 @@ end
 
 require_relative "list"
 require_relative "instruction"
-require_relative "method"
+require_relative "method_definition"
 require_relative "frame"
 require_relative "value"
 require_relative "type"
diff --git a/lib/virtual/method.rb b/lib/virtual/method_definition.rb
similarity index 89%
rename from lib/virtual/method.rb
rename to lib/virtual/method_definition.rb
index 342a9d1a..bda74910 100644
--- a/lib/virtual/method.rb
+++ b/lib/virtual/method_definition.rb
@@ -9,15 +9,15 @@ module Virtual
   # known local variable names
   # temp variables (numbered)
   #
-  class Method < Virtual::Object
+  class MethodDefinition < Virtual::Object
     #return the main function (the top level) into which code is compiled
-    def Method.main
-      Method.new(:main , [] , Virtual::SelfReference )
+    def MethodDefinition.main
+      MethodDefinition.new(:main , [] , Virtual::SelfReference )
     end
     def attributes
       [:name , :args , :receiver , :return_type , :start]
     end
-    def initialize name , args , receiver = Virtual::SelfReference.new , return_type = Virtual::Mystery , start = MethodEnter.new
+    def initialize name , args , receiver = Virtual::SelfReference.new , return_type = Virtual::Mystery , start = MethodDefinitionEnter.new
       @name = name.to_sym
       @args = args
       @locals = []
diff --git a/test/virtual/test_methods.rb b/test/virtual/test_methods.rb
index eaf0ea65..fe3c0794 100644
--- a/test/virtual/test_methods.rb
+++ b/test/virtual/test_methods.rb
@@ -9,7 +9,7 @@ def foo(x)
   5
 end
 HERE
-    @output = [Virtual::Method.new(:foo,[Virtual::Argument.new(:x,Virtual::Mystery.new())],Virtual::SelfReference.new(nil),Virtual::IntegerConstant.new(5),Virtual::MethodEnter.new(nil))]
+    @output = [Virtual::MethodDefinition.new(:foo,[Virtual::Argument.new(:x,Virtual::Mystery.new())],Virtual::SelfReference.new(nil),Virtual::IntegerConstant.new(5),Virtual::MethodDefinitionEnter.new(nil))]
     check
   end
 
@@ -19,7 +19,7 @@ def String.length(x)
   @length
 end
 HERE
-    @output = [Virtual::Method.new(:length,[Virtual::Argument.new(:x,Virtual::Mystery.new())],Boot::BootClass.new(:String,:Object),Virtual::Return.new(Virtual::Mystery.new()),Virtual::MethodEnter.new(Virtual::ObjectGet.new(:length,nil)))]
+    @output = [Virtual::MethodDefinition.new(:length,[Virtual::Argument.new(:x,Virtual::Mystery.new())],Boot::BootClass.new(:String,:Object),Virtual::Return.new(Virtual::Mystery.new()),Virtual::MethodDefinitionEnter.new(Virtual::ObjectGet.new(:length,nil)))]
     check
   end
 
@@ -30,7 +30,7 @@ def foo(x)
  2 + 5
 end
 HERE
-    @output = [Virtual::Method.new(:foo,[Virtual::Argument.new(:x,Virtual::Mystery.new())],Virtual::SelfReference.new(nil),Virtual::Return.new(Virtual::Mystery),Virtual::MethodEnter.new(Virtual::FrameSet.new(:abba,Virtual::IntegerConstant.new(5),Virtual::LoadSelf.new(Virtual::IntegerConstant.new(2),Virtual::FrameSend.new(:+,[Virtual::IntegerConstant.new(5)],nil)))))]
+    @output = [Virtual::MethodDefinition.new(:foo,[Virtual::Argument.new(:x,Virtual::Mystery.new())],Virtual::SelfReference.new(nil),Virtual::Return.new(Virtual::Mystery),Virtual::MethodDefinitionEnter.new(Virtual::FrameSet.new(:abba,Virtual::IntegerConstant.new(5),Virtual::LoadSelf.new(Virtual::IntegerConstant.new(2),Virtual::FrameSend.new(:+,[Virtual::IntegerConstant.new(5)],nil)))))]
     check
   end
 
@@ -40,7 +40,7 @@ def foo()
   2 + 5
 end
 HERE
-    @output = [Virtual::Method.new(:foo,[],Virtual::SelfReference.new(nil),Virtual::Return.new(Virtual::Mystery),Virtual::MethodEnter.new(Virtual::LoadSelf.new(Virtual::IntegerConstant.new(2),Virtual::FrameSend.new(:+,[Virtual::IntegerConstant.new(5)],nil))))]
+    @output = [Virtual::MethodDefinition.new(:foo,[],Virtual::SelfReference.new(nil),Virtual::Return.new(Virtual::Mystery),Virtual::MethodDefinitionEnter.new(Virtual::LoadSelf.new(Virtual::IntegerConstant.new(2),Virtual::FrameSend.new(:+,[Virtual::IntegerConstant.new(5)],nil))))]
     check
   end
 
@@ -65,7 +65,7 @@ def retvar(n)
   return i 
 end
 HERE
-    @output = [Virtual::Method.new(:foo,[Ast::NameExpression.new(:x)])]
+    @output = [Virtual::MethodDefinition.new(:foo,[Ast::NameExpression.new(:x)])]
     check
   end
 
@@ -79,7 +79,7 @@ def retvar(n)
   end 
 end
 HERE
-    @output = [Virtual::Method.new(:foo,[Ast::NameExpression.new(:x)])]
+    @output = [Virtual::MethodDefinition.new(:foo,[Ast::NameExpression.new(:x)])]
     check
   end
 
@@ -92,7 +92,7 @@ def retvar(n)
   end 
 end
 HERE
-    @output = [Virtual::Method.new(:foo,[Ast::NameExpression.new(:x)])]
+    @output = [Virtual::MethodDefinition.new(:foo,[Ast::NameExpression.new(:x)])]
     check
   end
 
@@ -106,7 +106,7 @@ def fibonaccit(n)
   end
 end
 HERE
-    @output = [Virtual::Method.new(:foo,[Ast::NameExpression.new(:x)])]
+    @output = [Virtual::MethodDefinition.new(:foo,[Ast::NameExpression.new(:x)])]
     check
   end
 
@@ -124,7 +124,7 @@ def fibonaccit(n)
   end
 end
 HERE
-    @output = [Virtual::Method.new(:foo,[Ast::NameExpression.new(:x)])]
+    @output = [Virtual::MethodDefinition.new(:foo,[Ast::NameExpression.new(:x)])]
     check
   end  
 end
\ No newline at end of file
diff --git a/test/virtual/virtual_helper.rb b/test/virtual/virtual_helper.rb
index f38df69d..cbe4dde2 100644
--- a/test/virtual/virtual_helper.rb
+++ b/test/virtual/virtual_helper.rb
@@ -12,7 +12,7 @@ module VirtualHelper
     syntax  = parser.parse_with_debug(@string_input)
     parts   = Parser::Transform.new.apply(syntax)
     machine = Virtual::Machine.new
-    main = Virtual::Method.main
+    main = Virtual::MethodDefinition.main
     expressions = parts.compile(machine.frame , main )
     assert_equal @output , expressions
   end