Below are the steps to will help you to understand about Media Library.
Step 1− Click on Media -> Library in WordPress.
Step 2− You can view media files like images, audios, videos. Click on Add Media button.
Step 3− The Upload New Media page gets displayed. You can see how to Add Media in the next section.
Step 4− You can see a bar as shown in the below screenshot.
The various tabs that appear have the following functions −
List View −It Displays the images and videos in list form.
Grid View − Displays all images in the grid format as shown in the following screen.
Filter the images and videos.
Search Box − Helps to search a particular image by inserting the name into the box.