A Group is composed from a set of issues. Groups are used as containers for issues you want to manage and track together. You can set new groups, change groups names etc. When you start using Quick View for the first time for a board, you will see a single default group named Quick View Backlog. By default, group issues are displayed with their issue Key and issue Summary. When you click on the issue key, the Jira issue view screen is opened, and you can view and edit all the issue details as usual.
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Clicking Delete Group will delete the group, and unlink all the relevant issues from it (removing the label from the issue).
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Adding New Issues to a Group
Selecting Add Issue from the group menu, or clicking the + Add at the bottom of a group, will open the Jira Create issue screen.
Note: there is a predefined label set for the new issue. DO NOT DELETE it, otherwise the issue will not be associated to your group.
Adding a Sub-Task
The Three dot to the left of the issue opens the Issue Menu. Selecting the Add Subtask option opens a Jira Create issue screen for the subtask
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Associating Issues to a Group
To associate an issue to a group, simply drag and drop the issue into the desired group. An additional option to move issue between groups is available also in the issue menu. Issues are added to your project outside the Quick View screen are added at the bottom of the default Quick View Backlog group.