What is valid definition?

A valid definition is one that accurately and precisely describes the nature, characteristics, and scope of a concept, idea, term, or phenomenon. A valid definition must be clear, coherent, and consistent, and must capture the essential features of the thing it defines. It must also be based on objective criteria that are universally accepted and recognized in the relevant field or discipline. A valid definition is essential for effective communication and understanding, and is critical for developing sound arguments and theories. In order for a definition to be considered valid, it must meet certain criteria, such as being logically consistent, empirically verifiable, and applicable in a variety of contexts. Additionally, a valid definition must be free from ambiguity or vagueness, and must accurately reflect the meaning and usage of the term or concept being defined.