A session cookie is a temporary cookie that exists in memory for as long as the user navigates the website. Web browsers normally delete these types of cookies when the user closes the browser.
A SameSite cookie is a type of cookie which can only be sent in requests originating from the same origin as the target domain. This is meant to mitigate cross-site request forgery (XSRF) attacks.
A normal cookie's domain attribute will match the sites address, and is called a first-party cookie. Cookies that do not originate from the given site is called a third-party cookie, which is used to load content from external sources.
We use persistent cookies to store website usage information. Persistant cookies are stored on your computer for a longer period of time. Such information is not personally identifiable.