How HTTP cookies are being used in Liferay DXP 7.0+

Issue

GUEST_LANGUAGE_ID: In 7.0+, used to track the last chosen language of the current user, until they explicitly sign out of the portal
COMPANY_ID: In 7.0+, used to track the portal instance that an authenticated user logged into
USER_UUID: In 7.0+, only used if auth.user.uuid.store.enabled is set to true (false by default)
LOGIN: In 7.0+, used for account creation so that the login field is automatically filled in after the account is created, or to auto-populate the login field after the user has signed out
PASSWORD: In 7.0+, used by the remember me feature
REMEMBER_ME: In 7.0+, used by the remember me feature
SCREEN_NAME: In 7.0+, set but not used