What does mean “Buy Crypto with Fiat”?

What does mean “Buy Crypto with Fiat”?

SynchroBit™ provides its users to buy the listed Cryptocurrency assets with both debit and credit cards. For this service, SynchroBit™ have partnered with a series of well-established third-party platforms, including Indacoin, to provide a reliable and safe gateway for buying the Cryptocurrencies with Fiat.