Conceptual photography is photography that illustrates an idea

Subjective photography was an international movement founded in Germany by the photographer Otto Steinert in 1951 which championed photography that explored the inner psyche and human condition rather than reflecting the outside world

Afrapix was a photographers' collective and agency founded in South Africa in 1982 which encouraged its members to use photography as activism

The Arab Image Foundation (AIF) is a not-for-profit organisation established in Beirut in 1997 to preserve, exhibit and study photographs from the Middle East, North Africa and the Arab diaspora from the nineteenth century to today

Hackney Flashers was a women’s arts collective active between 1974 and 1980. Most of the group were photographers and defined themselves as socialists and feminists

A Polaroid print is a positive print that is produced almost instantly shortly after exposure by a Polaroid camera

Photojournalism is a form of journalism which tells a news story through powerful photography which traditionally are black and white images

Founded by the documentary photographer David Goldblatt in 1989, Market Photo Workshop was originally set up to support black photographers in apartheid South Africa, enabling them access to workshops and education and international photographers

A photogram is a photographic print made by laying objects onto photographic paper and exposing it to light