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rule; regulation
settlement; conclusion; end; agreement; arrangement
habit; custom; habitual way
countenance in front of another person; face
「極まり」 has another reading with different meanings.
会社には出勤時間の極まりがある。
The company has rules about arrival time.
この地域には古くからの極まりが残る。
Old customs still remain in this area.
極まりを守らないと罰金を払うことになる。
You'll have to pay a fine if you don't follow the rules.