What are the names of small supermarkets and restaurants downstairs in many communities?

This kind of shop is usually called "community business".

Community commerce refers to commercial facilities located near residential areas, which mainly provide goods and services needed for daily life. Commercial facilities are usually small in scale, but they are closely related to residents' lives and have the characteristics of convenience and quickness.

Community commerce includes supermarkets, restaurants, pharmacies, convenience stores and other types to meet the basic needs of residents.