A cookie is information stored on your computer by a web site you visit. Cookies usually store your settings for a web page, such as your preferred language or address. Later, when you again open the same web page, the browser sends back the cookies that belong to that page. This allows the page to display information tailored to your needs.
There are several types of cookies: first-party cookies, temporary cookies (Session cookies), permanent cookies (Persistent cookies), and third-party cookies.

First-party cookies come from a website that you are viewing and can be either permanent or temporary. By using these cookies, websites can store data that you will use again the next time you visit that website (for example, language selection). Temporary cookies or session cookies are removed from your computer when you close your internet browser. Permanent or Persistent cookies remain on your computer after you close your internet browser. These allow a web site to store information, such as login name and password, so that you don't have to sign in each time you visit a particular site. Persistent cookies will remain on your computer until you as a user disable/delete them or until your browser deletes them (the period defined in the settings of the browser).