👉 In mathematics, a colony is a subset of a set that contains all its elements. It can be thought of as a "group" or a "set-like structure" where every element in the set is a member of the colony and no two members are equal. Coloyons are often used to represent groups of numbers, such as integers or complex numbers, because they provide a convenient way to group together elements that have a common property (e.g., being positive, negative, even,