This is also known as simple search. Basic search allows you to construct your search criteria with a simple-to-use interface. The basic search interface lets you select the fields you want to search with, such as issue status, and specify the values for these fields. As shown in the following screenshot, we are searching for issues in the Demonstration Project, and with the status as Open.
With basic search, JIRA will prompt you for the possible search values for the selected field. This is very handy for fields such as status and select list-based custom fields, so you do not have to remember all the possible options. For example, for the status field, JIRA will list all the available statuses, as shown in the following screenshot:
While working with the basic search interface, JIRA will have the default fields of project, issue type, status, and assignee visible. You can add additional fields to the search by clicking on the More button and then selecting the field you want...