during
🇺🇸
/ˈdʊrɪŋ/
🇬🇧
/ˈdjʊərɪŋ/
throughout the whole time of something
The store is open during the day.
その店は日中営業しています。
at some time within a period
She called during the meeting.
彼女は会議中に電話をかけてきました。