For example, if we were to type "how to convert" reveals a page of relevant content links that can be blog posts, discussions or training videos. Content that's highlighted 'Premium in yellow with a white diamond' can only be viewed by Premium and Premium Plus + members, otherwise If it has no tag that means it can also be viewed by starters and non-members, content of which would be set to uncategorized.

Notice now the first link, star sign right of below image is highlighted and content tagged When clicking the star you are essentially bookmarking a piece of content, you'd be prompted to tag it too however relevant and making sense to you and for your future look up and use.