What does PASM mean in Leica Q2 scene mode?

PASM's scene mode in Leica Q2 refers to four different modes.

P, program automatic, commonly known as fool mode, you just need to aim at the subject and press the shutter.

A, aperture priority mode, you need to manually set the aperture value first, and the shutter is automatically controlled by the camera, mainly for landscapes and portraits.

S, shutter priority mode, you need to set the shutter value first, and the camera automatically controls the aperture, mainly shooting action.

M, manual mode, need to set the aperture value and shutter value, suitable for senior photographers.