A cookie is a small text file, given ID tags that are stored on your computer’s browser directory or program data subfolders. Cookies are created when you use your browser to visit a website that uses cookies to keep track of your movements within the site, help you resume where you left off, remember your registered login, theme selection, preferences, etc.
Cookies may be either “persistent” cookies or “session” cookies. A persistent cookie will be stored by the browser and will remain valid until its set expiry date (unless deleted by the user before the expiry date) and a session cookie will expire at the end of the user session, when the web browser is closed. We use both session cookies and persistent cookies on our website.
To find out more about cookies and how to see what cookies have been set, please visit the website: https://ico.org.uk/for-the-public/online/cookies/