How to Add Tags to the Facebook Groups You admin
Besides Facebook Groups name and description, tags can help people understand what your group is about. They are short key words which describe your group topics and activities.
Tags also help people find your group by topics which interest them, if your group is a public or closed group.
For example, if you have a closed group which is a local community in Los Angeles, where people can publish announcements for sales of second hand cars. You can use key words like “Los Angeles, California”, “second hand cars”, “advertisement” as your group tags. Then people can see them just below your group description. They can also find your group in the lists “Los Angeles, California”, “second hand cars” and “advertisement”.
You can see how to add tags to the groups you admin in this article.