What is cookie definition?

A cookie is a small text file that a website stores on a user's computer or mobile device when the user visits the site. Cookies allow websites to remember user preferences, login information, and other information that makes the site more user-friendly. Cookies can also be used to track user behavior and website usage patterns, which can be used for advertising and analytics purposes. Some cookies are essential for website functionality, while others can be disabled by the user or automatically deleted after a certain period of time. Cookies are governed by privacy laws and regulations, and websites are required to obtain user consent before setting cookies in many jurisdictions.