a decade of a century (e.g. the Sixties); age; era; period; CL:個|个[ge4
年 (Nián) · 6 strokes
Pictograph of a person (人) harvesting grain (禾). The harvest season is a yearly event.
代 (dài) · 5 strokes
Phonosemantic compound. 亻 represents the meaning and 弋 represents the sound.