Terminology regarding cadences
Cadence
The "cadential arrival" is the structural end of the theme. This is simply referred to as the cadence.
Cadential function
The timespan preceding the cadence is cadential function. During this time, the listener should have a feeling that the cadence is going to occur.
Cadential progression
A "cadential progression" is a kind of harmonic progression that confirms a tonality and is required for cadential function.1