What is a depository and what is the function of a depository?

Friends, today we are telling you about Depository, what is Depository and what are its functions. If you have ever bought shares from the share market or you have heard about it from any of your friends, then you must have also heard about Depository.  You must have heard what is the function of depository in share market and why demat account is opened in depository, we are telling you all the important things about it.  To avail the benefits of depository, you have to open a demat account.

What is called depository?