Dash icons

Hi
Using dach icons might not be familiar with many people. Looking at this site, I found usage of them. Could there be ready made dashicon icon option.

There might not be suitable dashicon for “Topics”. There might be somewhere list of available daschicons?
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BTW. I’m still willigly to assist concerning Change Profile form – I have time because I’m retired.

The page I need help with: [log in to see the link]