to finish work; to get off work; next service (train, bus, etc)
下 · 3 strokes
Originally a small line or dot below a longer line, indicating "down". The vertical line was added to distinguish the character from 二 (two). Opposite of 上.
班 · 10 strokes
Depicts a knife (刂) cutting a gem into two halves (玨), based on the original meaning "to divide". The meaning later shifted to "division", "group", and "team".