[[explore-your-data]] === Explore your data With *Discover*, you use {ref}/query-dsl-query-string-query.html#query-string-syntax[Elasticsearch queries] to explore your data and narrow the results with filters. . Open the menu, then go to *Discover*. + The `shakes*` index pattern appears. . To make `ba*` the index, click the *Change Index Pattern* dropdown, then select `ba*`. + By default, all fields are shown for each matching document. . In the *Search* field, enter the following, then click *Update*: + [source,text] account_number<100 AND balance>47500 + The search returns all account numbers between zero and 99 with balances in excess of 47,500. Results appear for account numbers 8, 32, 78, 85, and 97. + [role="screenshot"] image::images/tutorial-discover-2.png[] + . Hover over the list of *Available fields*, then click *Add* next to each field you want include in the table. + For example, when you add the `account_number` field, the display changes to a list of five account numbers. + [role="screenshot"] image::images/tutorial-discover-3.png[] Now that you know what your documents contain, it's time to gain insight into your data with visualizations.