Gap assessment
A comparison of current practice against a target framework, producing a prioritized list of what is missing.
It answers the practical question of how far you are from compliant and in what order to close the distance. It is the sensible first step before any certification effort.
A useful one separates quick configuration fixes from genuine projects, because conflating them produces a plan that stalls in the first month.
Where this comes up
Gap assessment sits inside our compliance and frameworks work. If you are trying to work out what this means for your own environment rather than in the abstract, that is the page worth reading next, and a short call will get you a straight answer faster than either.