young man; young guy; lad; youngster; CL:個|个[ge4]
小 · 3 strokes
Depicts three small dots, representing the meaning "small". Originally the same character as 少. The small dots possibly represent grains of sand (沙).
伙 · 6 strokes
Phonosemantic compound. 亻 represents the meaning and 火 represents the sound. Simplified form of 夥.
子 · 3 strokes
Pictograph of a small child with its two arms waving.