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Progression

In mathematics:

Arithmetic progression, sequence of numbers such that the difference of any two successive members of the sequence is a constant
Geometric progression, sequence of numbers such that the quotient of any two successive members of the sequence is a constant

In music:

Backdoor progression, the cadential chord progression from iv7 to I, or flat-VII7 to I in jazz music theory
Omnibus progression, sequence of chords which effectively divides the octave into 4 equal parts
Ragtime progression, chord progression typical of ragtime music and parlour music genres

In other fields:

Age progression, the process of modifying a photograph of a person to represent the effect of aging on their appearance
Cisternal progression, theory of protein transport through the Golgi apparatus inside a cell
Color progression, ranges of color whose values transition smoothly through a hue, saturation, luminance, or any combination of the three
Horizontal progression, the gradual movement from left to right during writing a line of text in Western handwriting
Semantic progression, evolution of word usage

See also