Words naturally become overloaded. It helps lower the barrier to understanding a new concept because you have an existing concept to leap from and language to

Words naturally become overloaded. It helps lower the barrier to understanding a new concept because you have an existing concept to leap from and language to use. It comes at the cost of precision. The words `node`, `class`, and `tag` in particular are used all over the place. There's a reason for the joke that the two hardest things in software are cache invalidation and naming things.