Typically, ''abstraction'' is used in the arts as a

synonym A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...

for

abstract art Abstract art uses visual language of shape, form, color and line to create a Composition (visual arts), composition which may exist with a degree of independence from visual references in the world. ''Abstract art'', ''non-figurative art'', ''non- ...

in general.

In the visual arts

Strictly speaking, it refers to art unconcerned with the literal depiction of things from the visible world—it can, however, refer to an object or image which has been distilled from the real world, or indeed, another work of art. Artwork that reshapes the natural world for expressive purposes is called abstract; that which derives from, but does not imitate a recognizable subject is called nonobjective abstraction. In the 20th century the trend toward abstraction coincided with advances in science, technology, and changes in urban life, eventually reflecting an interest in psychoanalytic theory. Later still, abstraction was manifest in more purely formal terms, such as color, freedom from objective context, and a reduction of form to basic geometric designs and shapes.

In music

In music, the term ''abstraction'' can be used to describe improvisatory approaches to interpretation, and may sometimes indicate abandonment of

tonality Tonality is the arrangement of pitch (music), pitches and / or chord (music), chords of a musical work in a hierarchy of perceived ''relations'', ''stabilities'', ''attractions'', and ''directionality''. In this hierarchy, the single pitch or ...

Atonal Atonality in its broadest sense is music that lacks a tonal center, or key. ''Atonality'', in this sense, usually describes compositions written from about the early 20th-century to the present day, where a hierarchy of harmonies focusing on ...

music has no

key signature In Western musical notation, a key signature is a set of sharp (), flat (), or rarely, natural () symbols placed on the staff at the beginning of a section of music. The initial key signature in a piece is placed immediately after the cl ...

, and is characterized by the exploration of internal numeric relationships.Washington State University: Glossary of Abstraction.
Retrieved 31 January 2013.

References

Abstract art Abstraction {{Art-stub