Museums offer a variety of experiences for visitors, including exhibits, guided tours, portraitures, ART, and Op ART. An EXHIBIT is a collection of items on display in a museum, often with accompanying information or educational material. A GUIDE is someone who provides information and assistance to visitors, usually in the form of a TOUR. A TOUR is a journey through a museum, typically led by a GUIDE. PORTRAITURE is a type of artwork that focuses on capturing the likeness of a person or object. ART is a general term used to describe creative works, such as paintings, sculptures, and photographs. Op ART is a style of abstract ART that uses optical illusions to create visually stimulating pieces.