Skip leading space delimiters. Parse name delimited by a space. Create a definition for name, called a "code definition", with the execution semantics defined below.
Subsequent characters in the parse area typically represent source code in a programming language, usually some form of assembly language. Those characters are processed in an implementation-defined manner, generating the corresponding machine code. The process continues, refilling the input buffer as needed, until an implementation-defined ending sequence is processed.
Execute the machine code sequence that was generated following CODE.