Why there is no <dl> tag (also known as definition tag) ?

Question

I my school my computer teacher taught me that there are three list tags <UL> <OL> <DL>but here only 2 are there <UL><OL>

Answer 1

yes there is <dl>,<dd>,<dt>
but they are rarely used by coder, Because <ol>,<ul>,<li> can do the same thing .
✔️ How to use?
https://www.w3schools.com/tags/tag_dt.asp

Answer 2

thanks for helping