The kanji 裏 represents the concept of the "back," "reverse," or "inside" of something. It signifies what is hidden, the opposite side, or the unseen aspect of an object or situation. It can refer to the physical back of an item, the hidden intentions behind actions, or a metaphorical "backstage" area.

・On-yomi (音読み): リ 裏 ・Kun-yomi (訓読み): うら 裏

⚫︎裏側 裏がわ Translation: The back side; the reverse side. ⚫︎裏切る 裏ぎる Translation: To betray; to go back on one's word. ⚫︎裏口 裏ぐち Translation: The back entrance; a side door.

The kanji 裏 is a pictograph. It depicts the inside of a person's garment. The top part represents the collar, while the bottom part represents the body of the garment. This visual representation conveys the idea of the "inside" or "back" of clothing, which then evolved to represent the broader concept of the "back" or "reverse."