What does photographic modeling mean?

The definition of Ci Hai: "Photography is a kind of plastic arts. Photographers use cameras to reflect social life and natural phenomena and express their thoughts and feelings. According to the idea of artistic creation, using photographic modeling skills, through the process of darkroom production, you can take photos with artistic appeal. " As far as concept is concerned, according to the convention of Chinese prefix and suffix, "photography art" can be broadly understood as: photography art, broadly including all artistic activities related to photography; In a narrow sense, it refers to the part of photography that can exist as an artistic variety, that is, "a plastic art" mentioned in Ci Hai. When using the concept, the works displayed with the suffix "Art Photography Exhibition" should be those photos obtained from art photography. The exhibited works with the suffix of "Photographic Art Exhibition" can be photos obtained by artistic photography or photos with aesthetic value obtained by documentary photography or commercial photography. Photography is a process of recording or reflecting real scenes on a plane by using scientific principles such as optical imaging. It is a higher artistic expression, which can integrate ideas into works more perfectly and push photography to the same height as painting, poetry, music and sculpture. Photography is a relatively young art category, which develops closely with the development of high technology in each era. Photography art is a high generalization of reality; It is an image work mode that comes from life and is higher than life; It is a noble and elegant culture. Photography is an expression of the author, just as speaking is an expression and writing is an expression. Photography can be expressed in many ways, such as scenery, still life, portrait, documentary, folk custom and concept, and there is no difference in expression. The study of photography technology is not only to learn technical knowledge such as aperture, focal length, exposure, color temperature, contrast, sensitivity, white balance, but also to learn aesthetic knowledge such as composition, modeling, color, light and shadow, as well as to learn the works of excellent photographers at home and abroad, read the albums and works of photographers, and so on. In addition, we should learn some knowledge that seems not directly related to photography, such as philosophy, anthropology, sociology, history, art history and so on.