A shop or store; a retail establishment (can refer to small local shops or firms selling goods/services).
朝、市場の商店をいくつか回って野菜を買った。
This morning I went around several shops at the market and bought vegetables.
その商店は創業百年を超える老舗だ。
That shop is a long-established store with over a hundred years since its founding.
商店街で開かれる夏祭りは地元の名物だ。
The summer festival held on the shopping street is a local specialty.