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* A ''___domain error'' is a condition where code executes outside of the ''___domain of equivalence'', which is the ___domain where the concept and the implementation match. An integer overflow is an example of ___domain error.
* A ''concept cast'' (also ''concept recast'' or ''concept recasting'') is a rewrite of a concept as a different concept because the original concept cannot be represented by the tools. In C, using pointers for output arguments because C doesn't support output arguments explicitly is an example of concept cast.
* A ''[[priority inversion]]'' is a form of syntactic or semantic noise introduced by some language-enforced general rule. It is called a priority inversion because the language takes precedence over the concept. In [[Smalltalk]], everything is an object, and that rule leads to the undesirable consequence that an expression like 2+3*5 doesn't obey the usual [[order of operations]] (Smalltalk interprets this as sending the message * to the number resulting from 2+3, which yields result 25 instead of 17).
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