a roofed arcade or balcony is called a loggia.
loggia
A porch or balcony, usually roofed and often partly enclosed, extending along the outside of a building. Also called gallery.
atrium
atrium
It was called the Houston Astrodome
atrium
Mr Love.......
A lytch gate.
atrium
A roofed passageway is a covered walkway that provides shelter from the elements while connecting two buildings or leading from one area to another. It is often designed to protect pedestrians from rain, snow, or extreme heat, and can be found in places like shopping centers, airports, and historic buildings.
An open sided arcade is called a Loggia Loggia or a Logway.
A balcony's wall is typically referred to as a "balustrade" or "railing." It serves as a barrier for safety and also adds aesthetic value to the balcony structure.