Here is a brief explanation of what cookies are and what they are used for.
What is a cookie?
Cookies are used on virtually all websites. In some cases, cookies are crucial to getting the website to work as intended.
A cookie is a small text file that is placed on the equipment (computer or something else) that you use to access a website. It makes it possible to recognize your computer and remember information about your choices on the website. Cookies cannot contain viruses or other malicious programs.
Reject or delete cookies
You can always reject cookies by changing the settings in your browser.
However, be aware that if you do, there are several features that will not work optimally, as they require the site to remember the choices you make.