numeral; digit; number; figure; amount; digital (electronics etc); CL:
数 · 13 strokes
Simplified form of 數. Phonosemantic compound. 攵 represents the meaning and 婁 represents the sound.
字 · 6 strokes
Phonosemantic compound. 宀 represents the meaning and 子 represents the sound. The 宀 (roof) component is based on the original meaning "raise up children". The meaning later shifted to "educate", "word"…