What a cookie is
Small text file · Stored in browser · Remembered during a visit
A cookie is a small text file that a website stores in a browser so the site can remember basic information during a visit. Cookies can help a form work, remember a preference, or provide aggregate usage information. They do not run programs on a visitor's device.
The site uses cookies for ordinary website operation, not for unrelated tracking across other websites. In practice, that means a cookie may be needed while a visitor moves from one page to another, fills in a form, or returns to a page they were viewing. It does not give the site access to other files on the device, and it does not run code on its own.