piste
Piste is a term borrowed from French that generally means track, trail, or course. In English usage, it most commonly refers to a ski slope in a mountain resort and, in French or bilingual contexts, to a single audio track on a recording. The word can also appear in discussions of aviation in its French sense of runway, though this usage is less common in English.
In skiing, a piste is a marked, maintained slope prepared for downhill skiing. Pistes are typically patrolled
In audio and media contexts, piste denotes a track or recording, such as a single audio channel
Other uses are primarily geographic or administrative in French, such as airstrips or runways (piste d’atterrissage),