👉 A set is a collection of unique objects, typically denoted by capital letters. The term "set" refers to a set of ordered elements or items that are distinct from one another and can be combined into new sets. In mathematics, a set is composed of the elements that make up the whole, which means it consists of all possible combinations of elements without any repetitions. Sets can be used for various purposes such as counting, organizing data, and solving problems related to mathematical structures like graphs, trees