What is realm meaning?

A realm refers to a distinct domain or area over which a particular entity, such as a government, ruler, or authority, exercises control. It can also refer to a particular type of existence, such as the spiritual or imaginary realm. In many contexts, realm is used to describe a particular field of knowledge, expertise, or interest, such as the realm of science, the realm of literature, or the realm of politics. It can also refer to a virtual world created by computer software, particularly online games or virtual reality systems. In general, realm refers to a defined and distinct domain of activity, influence, or existence.