the portion of a URL that comes after the .com.au/ that denotes a specific page or post on a website. For example: yourwebsite.com/blog – ‘blog’ is the slug
the homepage might be http://www.domain.com, but for the Contact Us page, a slug would be added to the end of the URL to direct the browser to a page within the website i.e. http://www.domain.com/contact-us.