Define "interlocking" in relation to rail operations.

In rail operations, "interlocking" refers to a safety mechanism designed to prevent conflicting movements of trains. It ensures that signals and switches are set in such a way that only one train movement can occur in a given direction at any time or that movements are coordinated to prevent accidents. This system is crucial because it incorporates various signals and track elements that work in conjunction to maintain safe operations.

For instance, if one train is on a section of track, the interlocking system ensures that signals for that track indicate stop for any other train trying to enter the same area, thereby preventing potential collisions. This sophisticated coordination of signals and track switches underlines the importance of interlocking in maintaining the safety and efficiency of rail operations.