What are the types of photographic light, and what are their advantages and disadvantages?

Photographic light can be divided into many kinds, such as stereoscopic light, plane light and parallel light. In fact, there are many ways to polish. The most important thing is to decide how to light up according to the person or thing you want to shoot. For example, the person you want to shoot is fat, so it's better for you to use stereo lights. People's faces are indirectly thin.