Definition of Art - Webster
The products of human creativity; works of art collectively, the creation of beautiful or significant things
Definition of Art - Wikipedia
Art is a diverse range of human activities and the products of those activities. In their most general form these activities include the production of works of art, the criticism of art, the study of the history of art, and the aesthetic dissemination of art.
Purpose of art - Wikipedia
Art has had a great number of different functions throughout its history, making its purpose difficult to abstract or quantify to any single concept. This does not imply that the purpose of Art is "vague", but that it has had many unique, different reasons for being created. Some of these functions of Art are provided in the following outline. The different purposes of art may be grouped according to those that are non-motivated, and those that are motivated (Lévi-Strauss).