1. to pass through; to go through
E.g.: 通行 (passage, traffic), 通風 (ventilation)
2. to commute; to go back and forth
E.g.: 通勤 (commuting), 通商 (trade, commerce)
3. to inform; to notify
E.g.: 通告 (notice, announcement), 通知 (notification)
4. to be widespread; common
E.g.: 通常 (usual, normal), 通用 (common use, circulation)
5. to go through completely
E.g.: 通読 (reading through), 通夜 (wake, vigil through the night)
6. connoisseur; well-informed person
E.g.: 通人 (man of taste, connoisseur), 消息通 (well-informed person)
7. illicit relationship
E.g.: 密通 (adultery, illicit affair)
8. counter for letters and documents
9. to associate closely
E.g.: 通好 (friendly relations)
10. to know well; to be familiar with
E.g.: 通暁 (full understanding), 精通 (proficiency, mastery)
