Board Thread:Support Requests - Getting Started/@comment-47145098-20201017131434/@comment-9605025-20201017182006

Perhaps they mean they want an icon in front of each of the menu options? Doing that would be a violation of the customization policy. The only changes you are allowed to make to the local navigation are ones that the provided tools permit you to make. You are not allowed to touch the local navigation with CSS or JS.