What is holding a position? How to calculate RPL and UPL?

Before contract delivery, users may decide to buy or sell the contact at their own will. User who has bought a contract but have not sold it yet is said to be holding a position.

Dear Holding Position sy murad hoti hai kay ap apni trading mai in sy koi be trade open kar lain. tu ap ko faida yeh hoga kay ap long term es ko lay kay ja sakty hain tu ap ko phir faida ho skata hai. ap koshish karian kay apni trade ko analysis kar kay phir long term kay leye rahkian nahi tu ap ko loss ho sakta hai. esleye koshish karain kay jo be trade open karain us sy ap apny account ko achy sy manage karna seekhain or jis sy ap ko bad mai earning karn ka pata chal sakta hai.