Gallery
Part of speech: noun
Definition: An institution, building, or room for the exhibition and conservation of works of art. An establishment that buys, sells, and displays works of art. Uppermost seating area projecting from the rear or side walls of a theater, concert hall, or auditorium. A roofed promenade, especially one extending along the wall of a building and supported by arches or columns on the outer side
Example sentence: There is more to representing art than selling art. The life of the gallery is dependent on the renewal and refreshment of its artists and dealers. When that stops happening, it's the end.
Heading
Part of speech: verb
Definition: To be in command of. (See also head up.)
Part of speech: noun
Definition: The title or topic of a document, article, chapter etc.The direction into which a seagoing or airborne vessel's bow is pointing (apparent heading) and/or the direction into which it is actually moving relative to the ground (true heading)
Example sentence: We're in a giant car heading towards a brick wall and everyone's arguing over where they're going to sit.