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Webflows own icons - is there such a thing an how to see them

I noticed on some elements, navbar, dropdown etc they have inside a star element which they label icon.
Example is an arrow head and burger menu.

My question is the a way to see other inbuilt icons and how to add them, like char map value.

I dont want to add a font like fontawesome and happy to use svg but thought am I missing a hidden option.

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