<span>Long after the world to which it belonged has vanished, a habit of thought will live on, indelibly imprinted upon a race or nation, like the footprint of some extinct beast or bird upon a piece of stone.
The word indelibly refers to the anything that is impossible to remove or forget. It is the mark that cannot be erased.</span>
5 is antithesis
9 is allegory
11 is maxim
17 is simile
19 is simile
24 is metonymy
I hope this helps you.
It means a thorough and dramatic change in something
