I understand that <strong> and <em> have semantic importance over their <b> and <i> counterparts, but as for the others what is

Question

Here's the link. feel free to write comments in there
https://code.sololearn.com/Wm7Y3IgC8OVT

Answer 1

For the others?

Answer 2

The title is not complete.

Semantic Importance comes from the idea of having a code that is easier to read. It will help you a lot more on the long run.