Final answer:
A gallery in church architecture is a walkway or balcony above the aisle that opens into the nave, often used for additional seating or passage and featuring decorative elements. Analogous areas in theaters or halls are known as Mezzanine or Balcony, offering different views and pricing.
Step-by-step explanation:
A gallery in church architecture refers to a walkway or balcony that is often located above the aisle and opens into the nave. This elevated space can come in different structural forms, for instance, a Kings Gallery typically found in Gothic architecture, or a south gallery in the case of the Hagia Sophia, which was reserved for imperial use. Galleries often facilitate additional seating or passage and can exhibit decorative elements such as triforium, clerestory windows, or stunning views of the church's interior. For instance, in Romanesque and Gothic cathedrals, the Ely Cathedral's nave elevation is divided into three stories: a nave arcade on the ground floor, a gallery above it with openings, and a clerestory at the top level with windows to admit light.
In a general hall setting, equivalent levels to a gallery could be a Mezzanine or Balcony, which are typically accessed via stairs from the lobby and can offer different vantage points and ticket pricing tiers compared to the main floor seating.