Seriation sequence dating
You probably have a good idea of which ones are older even if you don’t know anything about cars. Chances are, you can tell the 1981 Honda Accord apart from the 2014 model just by looking at them! If you saw someone wearing a baggy neon sweater you can be sure they bought it in the 1970s.
The style of an artifact, like a stone tools or Iroquoian pot, also changes regularly over time.
It can happen in fits and bursts, or steadily, it just depends on the style.