You can use tags in both private and shared projects to further organize references. You can apply tags individually in List view:
Or in bulk by selecting the checkboxes of the references you wish to tag and clicking the tag icon:
If you're in table view, you'll see the option to add tags to an individual reference by scrolling the table to the right:
Once you've created your tags, you'll see them listed in the left hand pane, under your projects. Simply click on a tag to quickly return all tagged references:
