As a a sender, you have a coin of amount X, and you split it up and send it wherever you like
If your coin is 1 and you want to send one person 0.2 and another person 0.3, you can do that as a single transaction to three destinations, one with 0.2, another with 0.3 (to the people you’re sending to) and a final one with 0.5 back to one of your own addresses (aka a change wallet)
If your coin is 1 and you want to send one person 0.2 and another person 0.3, you can do that as a single transaction to three destinations, one with 0.2, another with 0.3 (to the people you’re sending to) and a final one with 0.5 back to one of your own addresses (aka a change wallet)