CHAR (gets character code of a character following this word in the iinput stream)
LITSTRING PUSHES a string address on te stack (usually the string is compiled inline in the instruction stream)
'\n', BL, CR, SPACE
TRUE, FALSE, NOT
various character constants ('A', '0', '(', ')', '[', ']', ':', ';', etc)
[COMPILE] (compiles an immediate word into dictionary entry currently being compiled, aka POSTPONE)
RECURSE (compiles a literal jump to the start of the dictionary entry currently being compiled)
IF/UNLESS/ELSE/THEN (which compile to native branch instructions)
BEGIN, UNTIL, REPEAT, DO, etc (loop words)
(, ) (comments are delimited by parens)
clean up input code