What is Progression?
'''Progression''' can be any of the following: In '''mathematics''': * [[Arithmetic progression]] * [[Geometric progression]] In '''music''': * [[Chord progression]], series of chords played in order ** [[Backdoor progression]] ** [[Omnibus progression]] ** [[Ragtime progression]], chord progression of [[ragtime]] In '''other fields''': * [[Age progression]] * [[Color progression]] * [[Semantic progression]], how words become other words {{disambig}}