- Elevated platforms or constructions upon which religious sacrifice is offered or other religious or spiritual activities carried out. In a Christian church altars are platforms where Eucharistic elements are consecrated, in the ancient tradition of a sacrifice. Includes both indoor small, tablelike fixtures and larger, free-standing, outdoor structures. It consists of a horizontal part, the mensa, placed on various types of supports. For the surface at which communion is celebrated in Protestant churches, use "communion tables."
- Refers to the context of or associated specifically with the modern political entity of the United States of America.
- Semicircular or polygonal extensions off of a larger space; common in Roman basilicas and Christian churches.
- Buildings for public Christian worship that are distinguished historically from chapels and oratories, which are buildings that are in some respect private, or not public in the widest sense. Church architecture generally somewhat follows standard models, which vary depending upon the date, location, and characteristics of the congregation.
gelatin silver prints
- Refers to photographic prints having gelatin as the binder, holding silver as the final image material; always black-and-white, though they may be toned to a monochrome hue.