These are templates used to tag the kind of licenses relevant to certain works. These messages probably refer to works, which is a more general term than the files covered by Category:Wikipedia file copyright templates.
Subcategories
This category has the following 5 subcategories, out of 5 total.
Pages in category "Wikipedia copyright templates"
The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes.