To define the pop-up display at the bottom of the page and to activate or deactivate certain cookie categories.

To define the language.

PHPSESSID is the original cookie for PHP and allows websites to store serialized status data. It is used on the website to establish a user session and to forward status information via a temporary cookie, commonly referred to as a session cookie.

csrfToken is a security cookie used to prevent misuse of authenticity and to protect against CSRF hacker attacks.