Pitch mapping is the process of laying the sample across multiple keys and changing the playback speed and pitch to make the 12 notes of the scale, called ?
Multisampling.
Pitch ? allows you to manipulate your sample even further than using effects.
Mapping.
If the MIDI velocity is low it’ll play a quiet sample and if the MIDI velocity is high it’ll play a louder sample, called ? ?
Velocity layering.