An impression is the overall effect of something. Impression or impressions may also refer to:

Biology

Colic impression The liver is a major organ only found in vertebrates which performs many essential biological functions such as detoxification of the organism, and the synthesis of proteins and biochemicals necessary for digestion and growth. In humans, it i ...

, a feature of the gall bladder * Duodenal impression, medial to the renal impression * Gastric impression, a feature of the liver *

Impression (dental) A dental impression is a negative imprint of hard (teeth) and soft tissues in the mouth from which a positive reproduction (cast or model) can be formed. It is made by placing an appropriate material in a stock or custom dental impression tray w ...

, a dental procedure *

Maternal impression The conception of a maternal impression rests on the belief that a powerful mental (or sometimes physical) influence working on the mother's mind may produce an impression, either general or definite, on the child she is carrying. The child might ...

, the effect of maternal mental states on foetal development * Renal impression, a feature of the gall bladder * Suprarenal impression, a feature of the gall bladder

Psychology

* First impression * Mental impressions (from the Sanskrit "Samskara") * Mental dispositions or conditioned phenomena (from the Buddhist term

Saṅkhāra (Pali; सङ्खार; Sanskrit: संस्कार or ) is a term figuring prominently in Buddhism. The word means 'formations' or 'that which has been put together' and 'that which puts together'. In the first (passive) sense, ' refer ...

)

Idiomatic expressions

idiom An idiom is a phrase or expression that typically presents a figurative, non-literal meaning attached to the phrase; but some phrases become figurative idioms while retaining the literal meaning of the phrase. Categorized as formulaic language, ...

is a phrase or a fixed expression that has a figurative, or sometimes literal, meaning. * "To make a good first impression" * "To be under the impression of"

Publishing and advertising

Impression (publishing) Print circulation is the average number of copies of a publication. The number of copies of a non-periodical publication (such as a book) are usually called print run. Circulation is not always the same as copies sold, often called paid circulat ...

, a print run of a given edition of a work *

Impression (online media) An impression (in the context of online advertising) is when an ad is fetched from its source, and is countable. Whether the ad is clicked is not taken into account. Each time an ad is fetched, it is counted as one impression. Because of the poss ...

, a delivered basic advertising unit from an ad distribution point **

Cost per impression Cost per impression (CPI) and cost per thousand impressions (CPM) are terms used in traditional advertising media selection, as well as online advertising and marketing related to web traffic. They refer to the cost of traditional advertising or ...

, cost accounting tool using in e-marketing ** Viewable Impression, a metric used to report on number of distributed ads that were viewable *

Impression (software) ''Impression'' is a desktop publishing application for systems. It was developed by Computer Concepts and initially made available in pre-release form during 1989, having been demonstrated in February 1989 at the ''Which? Computer Show'' and subs ...

, a desktop publishing application for RISC OS systems * '' Impressions'', the in-flight magazine for British Mediterranean Airways *

Impressions Media {{Infobox company , name = Impressions Media , logo = , type = Private , foundation = {{start date, 1939, as Wilkes-Barre Publishing Company , location = 15 North Main Street,Wilkes-Barre, Pennsylvania 1 ...

, an American privately-owned publisher of newspapers

Art

* ''

Impression, Sunrise ''Impression, Sunrise'' ( French: ''Impression, soleil levant'') is an 1872 painting by Claude Monet first shown at what would become known as the "Exhibition of the Impressionists" in Paris in April, 1874. The painting is credited with inspiring ...

'', an 1872 painting by Claude Monet *

Post-Impressionism Post-Impressionism (also spelled Postimpressionism) was a predominantly French art movement that developed roughly between 1886 and 1905, from the last Impressionist exhibition to the birth of Fauvism. Post-Impressionism emerged as a reaction ag ...

, the development of French art since Manet * ''Impressions'', journal of

The Japanese Art Society of America The Japanese Art Society of America (JASA) promotes the study and appreciation of Japanese art. Founded in 1973 as the Ukiyo-e Society of America by collectors of Japanese prints, the Society's mission has expanded to include related fields of Japan ...

Music

The Impressions The Impressions were an American music group originally formed in 1958. Their repertoire includes gospel, doo-wop, R&B, and soul. The group was founded as the Roosters by Chattanooga, Tennessee natives Sam Gooden, Richard Brooks and Arthur Bro ...

, a music group from Chicago * ''Impressions'' (instrumental composition), a jazz standard composed by John Coltrane

Albums

* ''Impression'' (album), the soundtrack from the anime series ''Samurai Champloo'' * ''Impressions'' (John Coltrane album), a 1963 album by jazz musician John Coltrane * ''Impressions'' (Buck Hill album), a 1983 album by saxophonist Buck Hill * ''Impressions'' (Chris Botti album), the 2012 album by trumpeter Chris Botti * ''

Impressions! ''Impressions!'' is the third album by saxophonist Paul Horn and his first released on the World Pacific label in 1959.Edwards, D., Eyries, P. and Callahan, MWorld Pacific Album Discographyaccessed August 17, 2015''Impressions'' (Laura Nyro album), the first compilation retrospective album by Laura Nyro * ''Impressions'' (Lunatic Soul album), 2011 * ''Impressions'' (Mike Oldfield album), a 1980 compilation album by Mike Oldfield released * ''Impressions'' (Mal Waldron album), a 1959 album by Mal Waldron * ''The Impressions'' (album), a 1963 album

Other uses

* Impressions, a form of mimicry practised by an

impressionist (entertainment) An impressionist or a mimic is a performer whose act consists of imitating sounds, voices and mannerisms of celebrities and cartoon characters. The word usually refers to a professional comedian/entertainer who specializes in such performances a ...

* ''Impressions'' (''Angel'' novel), a 2003 novel derivative of the television series ''Angel'' *

Impressions Games Impressions Games was a British video game developer founded by David Lester. He sold the company to Sierra On-Line in 1995, who was then bought out by Cendant and eventually, Vivendi Universal (now known as Vivendi SA). Impressions specialized ...

, a video game developer