Documents & Data on Safari

I been trying to free up storage as much as i can, and it’s very frustrating. I look on my safari and my documents and data are at 216.9 MB.. that’s a lot for me because i only have so much GBs.

I tried to do the clear website data & history and it just won’t go away..

Please tell me how to get rid of all of the documents & data it will help me alot

-thanks