When you agree to buy a stock on the NYSE or NASDAQ how much time after the

Question:

When you agree to buy a stock on the NYSE or NASDAQ how much time after the agreed-upon sale do you have to provide the necessary funds for the purchase? What is the name given to the actual delivery of funds and for exchange?
Stocks
Stocks or shares are generally equity instruments that provide the largest source of raising funds in any public or private listed company's. The instruments are issued on a stock exchange from where a large number of general public who are willing...