Libraries list
The area of the iMovie sidebar where you organize and select your libraries and events. When you select a library or an event in the Libraries list, its media appears in the browser.
![Event selected in Libraries list, and browser showing clips in selected event](https://help.apple.com/assets/5F0F9216680CE20C0DC9203D/5F0F9218680CE20C0DC92044/en_US/cbae9fdf972e905ac65c7bac435e061d.png)
To show or hide the Libraries list, click the Libraries List button
in the top-left corner of the browser.