simultanism
An art movement term referring to the simultaneous representation of multiple viewpoints or moments in a single work. Domain-specific to art and aesthetics.
Simultanism is one of the art movements influenced by Futurism and Cubism.
Compound of 同時 (simultaneous) and 主義 (doctrine, -ism). The exact historical derivation of the art term is uncertain; it is conventionally associated with the concept of simultaneity in art.