It is a system that is used on the website (server) side of the Session website (server) and carrying some information of the trap.
Turkish can be translated as a session. Once the session is opened, the session page is moved as long as the session page remains open with a temporary memory. While only Session Cookie information on the user side, there can be many information on the server side.
Önceki cevap: Kokoreç Making Sonraki Cevap: What is Steteoscope?