An art gallery is a room or a building in which visual art is displayed. Among the reasons art may be displayed are aesthetic enjoyment, cultural enrichment, or for marketing purposes. While "gallery" continues to be used in the name of institutions for the study, preservation, and restoration as well as the display of art, these additional functions identify the institution as an Art museum. Most art galleries open to the public are commercial enterprises for the sale of artwork, others may be part of art cooperatives or non-profit organizations.As part of the art world, art galleries play an important role in maintaining the network of connections that define fine art.