Labels help keep related pages together, for reference by the page owners and to help other users of the site. This page includes the following topics:
Add a label to a page
- Using the Labels option that follows the editing window, enter the label or labels.
- Select Done.
You can enter any text you want for a label. To separate words, use the underline character, for example: separate_words. Labels are all lowercase.
Remove a label
- Select the link to edit the label.
- Select the link or icon to remove the label.
Add a category label for a wiki space
If you have the needed permissions, you can add a category label to a space. If you do not have these permissions (are unable to see the links described in these steps), and want a space label, ask an administrator.
- Select Browse > Space Admin.
- Select Space Categories.
- In the Labels area, type the label and select Add, or select a label.
The Categories tab on the dashboard displays a list of recently updated pages in spaces with a particular category label.
Display a list of content with a particular label
- Search for the label; the matching label, if any, will be shown on the search results page.
- If you are in a page that has a label or labels, select a label to view a list of content with that label.
- Use the Content by Label macro to display a list of content having a particular label.
- Type {cont and when the list of macros opens select Content by Label.
- Complete the parameters and select Insert.
An example follows, listing the pages that have the label "finding_information."
Browse Labels to display lists of available labels and content with those labels
- Select Browse > Labels to view a "tag cloud" listing the labels in the wiki space. The most used labels are indicated.
- Select global popular labels to view a list of labels in use on the entire site with the most used labels indicated.
- Select a label to list all content with that label.
Use labels to categorize content and view the result
Refer to the Atlassian website for more information about how to use labels 
