The concept of composition The term Composition, which originated in classical rhetoric, was the earliest technical term passed down by word of mouth. The substantial change between the technical application of the term and the expression of general principles begins with Alberti's Treatise on Painting. After people summed up and sorted out, they gradually formed a complete and independent subject "compositionology", which means combination and composition, and is the structural configuration method of artistic image. In "Ci Hai", it is called the term "plastic art".

In order to achieve the theme and aesthetic effect Image Manipulation Service embodied in the work, the artist has made certain treatments in the spatial arrangement, partial image and positional relationship to form a complete artistic whole. It is collectively referred to as "composition" in painting books, and is called "layout" in Chinese painting; it is called "composition" in Western painting art, and it is also called "framing" in photography. It is an important means for plastic art to express the ideological content of works and gain artistic appeal. In traditional Chinese painting, the composition is called "operating position". The layout of China, the composition of the West, and the framing often mentioned in photography, are collectively called composition from an objective point of view.

In a word, composition refers to the method of summarizing and rationally arranging the image to be expressed in the picture according to the needs of the performer, according to the point, line, shape, light and shade of form and aesthetics, so that the visual elements and space elements are organically organized. stand up. 2. The purpose and function of composition In art and design works, artists have their own ideas about art works through the accumulation of daily life, which are called ideas, and ideas need to be composed to show. The purpose of composition is to construct the sense of form of the picture by effectively organizing the visual and formal elements.