A house shrine often takes up less than a cubic foot area, and is placed on a pedestal or a table. It usually consists of one or more icons of gods, demigods or ancestors, and a small brazier for burning offerings.
A roadside altar is usually slab of stone (often marble) with a niche where an icon is kept, and protruding altar where sacrifice is placed.
A chapel is a room-sized temple, which may be a small building or a room or hall in a greater construction, or even as an annex to another temple. A chapel has at most a single priest in attendance, and usually none.
A temple is an entire building dedicated to worship of (a) god(s). This structure has one or more priests, and often assistants/acolytes as well.
A fane is a title often used for the most important places of worship, their construction time may run into decades. Dozens of members ot the clergy are usually present at all times.
Sacral Institutions
Metaphysics
Spirits