What is the X in X-mas?
: a pan shot
To move the camera across a visual field to give a panoramic effect or follow something moving
[1922+ Movie studio; fr panorama]
Pluggable Authentication Module
language A toy ALGOL-like language used in "Formal Specification of Programming Languages: A Panoramic Primer", F.G. Pagan, P-H 1981. (1996-12-23)