boundary; border
边 (biān) · 5 strokes
Simplified form of 邊. Phonosemantic compound. 辶 and 方 represent the meaning, while 自 and 丙 represent the sound. The traditional components 自 and 丙 were removed for simplification.
界 (jiè) · 9 strokes
Phonosemantic compound. 田 represents the meaning and 介 represents the sound.