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. The website is used to establish a user session and to forward status information via a temporary cookie, commonly referred to as a session cookie.

It is used to identify the user advertasing package

It is used to identify users when viewing ads. Based on this cookie, an overview of individual ads is counted.

This cookie remembers user search results. The cookie is reset with each new search.