This is the 944th most frequent French word.
piste
A track, trail, runway, or ski slope.
Here, 'piste' refers to a ski slope, emphasizing its meaning in sports or recreational contexts.
Les skieurs descendent la piste à toute allure.
The skiers are racing down the slope.
In this context, 'piste' metaphorically represents a lead or clue being pursued in a detective scenario.
Le détective suit une nouvelle piste dans l'enquête.
The detective is following a new lead in the investigation.
The word 'piste' here signifies a physical surface designed or designated for a specific activity, such as dancing.