What is diffrence between icici future or icici equity shares?

General
1

if i buy icici future one lot (1000)

or

icici equity 1000 share what is diffrence ? and how quickly the order will process ?

is it depends upon seller ?

2

All Stocks in the future comes with expiry, but not in equity. Also Futures have minimum stocks to be brought/sold and they are denoted in Lots while you can buy even a single share in equity segment.