Media consists of the images, video, recordings, and files that you upload and use in your blog. Media is typically uploaded and inserted into the content when writing a Post or writing a Page…
The Media Library Screen allows you to edit, view, and delete Media previously uploaded to your blog. Multiple Media objects can be selected for deletion. Search and filtering ability is also provided to allow you to find the desired Media.
Media Library – WordPress Codex
When navigating a website you need to know what it is that you are looking at, especially if you are trying to explain something to someone. These are pageviews and here are all the pageviews you need to know on WordPress.
The front pageview will be the first thing readers will see when stumbling on your site. Depending on what kind of a site you are running your front pageview could be static or promote your latest blog posts. It could also be featured posts, or your sticky notes.