Progression

Progression may refer to:

In mathematics:

Arithmetic progression, a sequence of numbers such that the difference between any two successive members of the sequence is a constant
Geometric progression, a sequence of numbers such that the quotient of any two successive members of the sequence is a constant
Harmonic progression (mathematics), a sequence of numbers such that their reciprocals form an arithmetic progression

In music:

Chord progression, series of chords played in order
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
Progression, Markus Schulz's second Artist Album, released in 2007

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
A progressive tax is a tax by which the tax rate increases as the taxable amount increases
Semantic progression, evolution of word usage
Educational progression, an individual's movement through stages of education and/or training
in video games
Astrological progression, used in Horoscopic astrology to forecast future trends and developments.

See also