can be used, usable, practicable, workable, functional, serviceable, fit for use, fit to use, fit for purpose, applicable
depictions - portrayals - illustrations - images - renderings - embodiments - manifestations - expressions - symbols - stand‑ins - proxies
In linguistics and general communication, "representations" refers to the various ways in which ideas, objects, or concepts are expressed, symbolized, or depicted. These can be linguistic forms, visual images, mathematical models, or abstract structures that stand in for something else. Representations allow complex phenomena to be understood, shared, and manipulated by individuals or groups. In cognitive science and psychology, the term often denotes internal mental models, while in computer science it can refer to data structures or encodings. Across disciplines, the core idea is that a representation serves as a surrogate that captures key aspects of the original subject.