// rrqforth.asm: WORD p_dovariable,'doVARIABLE',dovariable anchor:p_dovariable[] === Word: doVARIABLE .... Data stack: ( -- a ) .... "doVARIABLE" is a variable word whose value is the implementation of the execution semantics for "variables", which basically are markers into the heap for some number block of memory. The execution of a variable results in pushing its content address: .... Resulting data stack: ( -- a ) ....