I want to do something like in a strategy games, where when I click on (army) unit, appears pointer, circle or whatever that tells player “you can move us” 
This is what I’ve done:
What should I do? How to hide it? Maybe there are better ways to make this?
Thanks in advance
I’m new, so here’s a boulder of salt to take with my advice…
I would suggest making a prefab of what you want to show up and then instantiating the thing you want shown when you need it shown, and yes, parent it for ease of attachment to the object you clicked. Then when you don’t need it, destroy the object.
