regulatesFlowBetween

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: regulatesFlowBetween

Indicates a relationship where one entity controls, directs, or modulates the movement or transfer of something (such as material, energy, or information) between two other entities.