Cookies are small text files that get stored on your computer when you visit some websites, including this one.
Cookies are used to help identify your computer so your user experience can be tailored to your preferences. Examples of cookie usage might be the tracking of shopping basket contents, or a site remembering where you are in the order process. You can disable any cookies already stored on your computer, but these may stop websites from functioning properly.
Cookies are also commonly used to track page visits via Google (or other) Analytics. They also allow site content to be shared on social networks such as Facebook and Twitter, as well as via other “sharing” systems.