How Do Pilots Know Where To Taxi?

Have you ever wondered how pilots know where to go when navigating big airports with multiple runways, like Chicago O’Hare International Airport (ORD), which has eight, and Dallas Fort Worth International (DFW), which has seven? As a passenger, you have probably never noticed the yellow signs and black lettering, never mind the painted numbers on the taxiways that pilots use to determine where they need to go.