Art
Art is a diverse range of human activities in creating visual, auditory or performing artifacts (artworks), expressing the author's imaginative or technical skill, intended to be appreciated for their beauty or emotional power. 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.
Design
Design is the creation of a plan or convention for the construction of an object, system or measurable human interaction (as in architectural blueprints, engineering drawings, business processes, circuit diagrams, and sewing patterns). Design has different connotations in different fields (see design disciplines below). In some cases, the direct construction of an object (as in pottery, engineering, management, coding, and graphic design) is also considered to use design thinking.
Management
Management (or managing) is the administration of an organization, whether it is a business, a not-for-profit organization, or government body. Management includes the activities of setting the strategy of an organization and coordinating the efforts of its employees (or of volunteers) to accomplish its objectives through the application of available resources, such as financial, natural, technological, and human resources. The term "management" may also refer to those people who manage an organization.
Art
In the largest sense, every work of art is protest. … A lullaby is a propaganda song and any three-year-old knows it. … A hymn is a controversial song — sing one in the wrong church: you'll find out. ...
Pete Seeger, Pop Chronicles: Show 33 - Revolt of the Fat Angel: American musicians respond to the British invaders. Part 1, interview recorded 2.14.1968.
Management
Poorly managed corporations, disorganized businesses, and badly led service agencies experience crisis daily and most will eventually fail. In contrast, the danger is to well organized, smooth running institutions that may not recognize a building crisis. Too often, sound organizations rely on their normal modus operandi to pull them through a crisis. It might. But at what cost? And what if it does not pull them through?
Wheeler L. Baker, Crisis Management: A Model for Managers (1993), p. 6
Design
Good design looks right. It is simple (clear and uncomplicated). Good design is also elegant, and does not look contrived. A map should be aesthetically pleasing, thought provoking, and communicative
Arthur H. Robinson (1953) Elements of Cartography p. 318