: name ( ... -- ... ) word1 word2 word3 ;
Creates a word called
name that, upon execution, executes
word1 word2 word3.
name is a (colon) definition.
The explanation above is somewhat superficial. For simple examples of colon definitions see Your first definition. For an in-depth discussion of some of the issues involved, See Interpretation and Compilation Semantics.
:"name" – colon-sys core “colon”
;compilation colon-sys – ; run-time nest-sys core “semicolon”