lineHistoricallyPartOf

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: lineHistoricallyPartOf

Indicates that a given line (such as a route, boundary, or infrastructure segment) was formerly included within or belonged to a larger line or system at some point in the past.