isMetropolitanCity

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: isMetropolitanCity

Indicates that a city qualifies as a major urban center, typically characterized by large population, extensive infrastructure, and significant economic, cultural, or administrative importance.