Figure-ground refers to how objects or shapes are perceived in relation to their surroundings. There are several synonyms for the term figure-ground, such as foreground-background, form-ground, and positive-negative space. These terms are commonly used in art, graphic design, and visual perception studies to describe the way in which objects and shapes are perceived by the human eye. In essence, the way in which we see shapes and objects is dependent on the contrast between them and their environment. Ultimately, understanding the concept of figure-ground and its synonyms is essential for creating visually pleasing and understandable designs.