Update 'Functions and Methods'

Functions-and-Methods.md

@@ -1,15 +1,19 @@
-Functions are written like this:
+# Syntax
-
 ```
 func ro someFunction
+	@ reciever:SomeObject
 	> input:Int
 	< output:Int:mut 
 	---
 	somePhrase
 ```
 
-The first part of the function's content is its inputs and outputs. A function
+Function sections are divided in two. The first part can contain inputs, outputs, and a method reciever. Inputs are preceded by a '>', outputs are preceded by a '<', and the method reciever is preceded by a '@'. Function outputs can have default values, whether they be simple or complex.
-may have any number of these, and they act as local variables. Function inputs
+
+The latter part contains the actual code of the function, which is composed of [phrases](Phrases).
+
+# Semantics
+A function may have any number of inputs and outputs, and they act as local variables. Function inputs
 must always be immutable, and function outputs must always be mutable.
 
 The second part is the actual code of the function. It is separated from the
@@ -19,16 +23,7 @@ block of phrases.
 To return data from a function, its outputs must be set as you would a normal
 variable.
 
-A function can be a method of an object if it lists the method receiver after
+A function can be a method of an object if it lists the method receiver. If it doesn't, it is just a regular function
-an @ symbol:
-
-```
-func ro setGreeting
-	@ greeter:{Greeter}
-	> greeting
-	---
-	set greeter.greeting greeting
-```
 
 Method receivers, like inputs, must be immutable. They also must be pointers.
 It is important to note that if a pointer is immutable, the pointer cannot