Undy = simple clarification
Impt = clarification with encouragement or obligation
As long as
It is important/vital
Be sure/ certain
I will see you “undy” you contact me first.
(I will see you, but you contact me first. )
I leave now “undy” door must left open.
(I am leaving, but the door has to be left open.)
I will give you food “undy” you must pay me first.
(I will give you food, but you have to pay me first.)
"Impt" you show-up, you will fine.
(As long as you show up, you will be fine.)
Meet home "impt" bring your phone.
(Meet at home. Make sure to bring your phone.)
"Impt" we go game.
(It is important that we go to the game.)
Text me "impt" before tonight
(Text me. Make sure to before tonight.)