Tags
Tags in Quartet can be used to create taxonomies of categories and append the categories to each publication.
Tags may be tailored to fit needs of each project, for instance categories could simply be a star rating of 3, 4, or 5, or they could be tags denoting different embodiments or different limitations.
Tags are specific to each publication, which means different publications within a family can be assigned different tags.
Tags in Results view
Each row in Results view has a 
button for adding tags to that family. Clicking on the add tag button opens a drop down menu to apply a tag to that publication or to create tags if the desired tag has not been yet made.
Because tags are associated on a family level, adding tags in Results view adds the tags to the representative family member shown.
To remove a tag, simply click on the "X" next to the tag.
The following are hot keys specific to the tagging process for those who prefer to use keyboard shortcuts instead of mouse clicking.
| T | Add tag |
| Up/down arrow | Cycles through list of available tags |
| Enter | Assigns selected tag |
| Esc | Exits Tag modal |
Detail View
Family tree
Any publications with tags will have the tag icon 
next to its publication number in the family tree. Note that this displays that the publication has been tagged but does not say which tag has been used.
Metadata
The Metadata tab on the right shows which tags have been applied. If representative view is selected, every tag used throughout the whole family will be shown. If a specific publication is selected, only the tags used for that publication will be shown.
The add tag button previously discussed in Results view is also in the Metadata tab, and the hot keys for adding tags works in this view as well.
Tags Page
Any tags used for a specific project can be viewed in the "Tags" tab in the top left of the interface.
The Tags page shows all families that have been tagged and allows for filtering the results shown by tag. In the example below, 9 total documents have been tagged, but the Tags page has been filtered to show the results tagged with "Example tag 1" and "Example tag 2," of which there are 7.
Tags for a project can be managed in the upper right corner of the Tags page with the "Manage tags" button. The Manage tags popup allows for tags to be added, deleted, or renamed.
The system will always confirm before deleting a tag. If the tag to be deleted has associated publications, the system will further alert to the number of publications.
