isCentralTo

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: isCentralTo

Indicates that something plays a primary, essential, or defining role in relation to something else, such that the latter depends on or is organized around it.