I think that AirPrint is the way to print on a Mac. Which is both nice and bad.
Nice because it does work flawlessly for me and my trusty (yes, trusty 
) HP OfficeJet 9020 and on all other devices that are supported by Appleās AirPrint.
Wireless printing only does mean that the communication between the device that is printing and the printer is happening without a cable. There are many protocols, interfaces or even app solutions (which is the most terrible way as far as I am concerned) for wireless printing. AirPrint for sure is the way to go when it comes to wireless printing.
The bad part is that if your printer is not supported (any longer or never was), there is a risk that you are not able to print from Apple devices because when everybody stopped installing āprinter-specific driversā on Macs, many printer manufacturers stopped creating or maintaining them which can be frustrating (recently in a different thread: HP Smart Tank 520 - The Printer That Cannot Be Networked).