colongitude

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: colongitude

Indicates the angular distance of a point (typically on a rotating body) measured westward from a defined prime meridian, often used to specify its position relative to the body’s rotation or illumination.