Explain “Leader/Follower” Pattern

Question

I can\'t seem to find a good and accessible explanation of \"Leader/Follower\" pattern. All explanations are simply completely meaningless as in 1.

Can anyone explai

Answer 1

I want to add to Jake's answer by linking another PDF from the same author that details a use case where they chose the Leader/Follower pattern over other alternatives: http://www.dre.vanderbilt.edu/~schmidt/PDF/OM-01.pdf