Pictorial representations, which may be in various media, having as subject matter scenes or events from everyday life, familiar objects, or ordinary custom or incident that do not belong to any other class of painting such as history, portrait, animal, landscape, marine, fruit and flower, or still life, but which may incidentally exhibit elements of any of those.

Source: Art & Architecture Thesaurus 

http://vocab.getty.edu/page/aat/300139140