A cookie is a text file saved in the browser of a website visitor's computer (or mobile device) to record their actions; cookies are used to ensure or improve website functionality and to gather analytical information.
Files that store information necessary for the website to function and record user choices regarding the acceptance or rejection of cookies; they do not use any user information for marketing purposes or to track browsing activity across the Internet. Disabling this type of cookie may limit the user's access to the website's functionality.
Files that store information about user choices (username, language, region, etc.). Disabling functional cookies does not affect the website's operation.
Files used to evaluate website performance and store information about user preferences and the most viewed pages. Disabling analytical cookies does not affect the website's operation.