“Session” cookies exists only in temporary memory while the user navigates a website
“Persistent” cookies expire at a specific date or after a specific length of time.
“Performance” cookies collect information how a website is used by the user and possible errors that occur. They can not be used to enable identification of a specific user. All the data that the cookie collects is anonymous. Performance cookies are used to improve the performance of the website.
“Functionality” cookies enable the website to remember your preferences (such as font-size, other website personalization) or enable functionality such as commenting on a blog.
No matter what you decide right now, you can always change your preferences later on inside your browser. To change any of the listed functionalities, click on the link of your prefered browser: