This particular type of cookie is not the kind that your grandmother baked for you. These types of cookies are the kind that makes it easier for browsers like Mozilla Firefox to function in order to give you a better web experience.
What are Browser Cookies?
Cookies are text files that get saved to the hard drive of your computer. They get stored every time you surf the internet.
How are Browser Cookies Used?
Cookies are used to identify users, store shopping cart information, and prepare customized web pages that utilize user information. Google Chrome cookies and other frequently used browser cookies can also be used to remember usernames, for example; auto-fill for the next visit.
Cookies can also be disabled. (Private Browsing)
By default, the activities of storing and sending cookies are invisible to you. However, you can change your browser settings to allow you to approve or deny cookie storage requests, delete stored cookies automatically when you close your browser and more.