For purposes of clarity, a crypto exchange is a platform that enables you to buy and sell cryptocurrency.
Crypto exchanges make it easy for you to transact one cryptocurrency for another or buy crypto using a regular currency such as the U.S. Dollar. They also enable you to convert your crypto into traditional currencies.
Per industry standards, one can’t purchase crypto from a bank or investment firm. You need to create an account on a crypto trading platform to exchange your fiat currency for your digital asset of choice.