The kanji 角 primarily signifies "corner," "angle," or "horn." It can refer to a physical corner of an object or space, an angle in geometry, or a horn on an animal. The underlying concept is a point or area where two or more lines or surfaces meet, forming a projection or a distinct boundary.

・On-yomi (音読み): カク (kaku) ・Kun-yomi (訓読み): つの (tsuno) – horn

⚫︎ 三角角 (sankaku) Translation: triangle (literally "three corners") ⚫︎ 一角獣 (ikkakujuu) Translation: unicorn (literally "one-horned beast") ⚫︎ 街角 (machikado) Translation: street corner

The kanji 角 is a pictograph. It originally depicted the shape of an animal's horn. The shape evolved over time, but the core idea of a projecting point or a corner remains. The image visually represents the function of horns.