routeFunction

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: routeFunction

Indicates a functional relationship that maps an input route (such as a path, trajectory, or connection) to a corresponding output or behavior associated with that route.