What does 店内 mean?
店内 is a Japanese noun meaning “inside the store, store interior” in English. It is written as 店内 in kanji, てんない in hiragana, and tennai in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
いいか。店内では大人しくしてるんだぞ。
OK, you keep quiet while we're in the store.