What are the section elements?

Answer 1

Here is something about <section> tag
https://code.sololearn.com/WygToWqEhtUI/?ref=app

Answer 2

Imagine that you want to write a letter [an ARTICLE] consisting of:
Your address (on top) -[address SECTION]
The body of the letter -[body/message SECTION]
A complimentary close/ & signature -[a different SECTION].
Hope it helps...

Answer 3

Beautiful