Psychological Terms- Analogue 
An analogue is something judged comparable to another. In psychology and cognitive science, the term also describes a representational format in which properties of the representation resemble properties of what is represented—for example, the continuous relationship between positions on a dial and their real-world referents.
Chemical “analogues” also refer to compounds similar in composition, often differing by substitution of a molecular group. This term contrasts with digital or symbolic representation, which uses discrete codes rather than continuous relationships.