Generations are time periods, and each family will have several generations. When you have children they are the next generation, and this word refers to a single stage and period of time in the family unit. Everyone born in the 60s share a generation, and they grew up according to the norms and expectations of that era. Today several generations of a family may reside in the same home.
Generation X is dead. It has come to mean anyone aged 13 to 55 years old
The generations of living things pass in a short time, and like runners hand on the torch of life