Slug
The Screen Options allow you to choose which dashboard metab...A slugA permalink is a type of URL that shows where a piece of con... is a few words that describe a postPosts are time-oriented content in WordPress—usually news,... or a pageA page is often used to present “static” information abo.... Slugs are usually a URLThe address you use to access a website. Typically found in ... friendly version of the post title (which has been automatically generated by WordPress), but a slugA slug is a few words that describe a post or a page. Slugs ... can be anything you like. Slugs are meant to be used with permalinks as they help describe what the contentContent consists of text, images, headings, and other inform... at the URL is.
Slugs are also used for post types, categories, tags, etc. Like post and pageA page is often used to present “static” information abo... slugs, this is usually for creating URL-friendly versions of these items.
Source: https://wordpress.org/support/article/glossary/#slug