"It's not so hard to use a single cable for several places to communicate. Simply put, you just make the formations that send the message to have a specific signal in front of them."
Droman's eyes lit up.
"You mean like an identification?"
Rean was happy to see how fast he understood.
"Hahaha! Exactly! For example. We have two places in our sect that have communication formations, right? Let's give them a number. The Mission Hall will be Number 01, and the Affairs Office will be Number 02. Suppose someone in Majorias City wants to send a message to the Mission Hall. His Formation will then add a signal representing the number 01 together with the signal of the message."
