acrostic

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: acrostic

Indicates that the letters (often initial letters) of a sequence of words, lines, or phrases form another word or message when read in a specific order.