A cookie is a small data file with information sent from a web server to a web browser. The file is then stored by the browser. The information is then sent back to the server each time the browser makes a request to display a page from the server. This allows the web server to identify and track the browser.
We may use both Session cookies and Permanent cookies on the website. Session cookies are used to see what you do when browsing the site. Session cookies are deleted from your computer when you close the browser. Permanent cookies are used for the site to identify you when you return to the website in the future. Permanent cookies remain on your computer until you delete them or until they reach the specified expiration date.
Most browsers have a feature that allows you to reject all cookies, while some browsers only allow you to reject third party cookies. For example, in Internet Explorer, you can reject all cookies by clicking Tools > Internet Options > Privacy. Then select Block all cookies.