The First Arrow is pointed upward (^). It answers the question from the previous post.
The Second Arrow is pointed to yourself (<). It can be any random thing about you.
The Third Arrow is pointed down (v). You can say or ask something about the person who will post below you.
Example.
Person 1: ^ I am tired
< Leveled up!
v Is an alien?
Person 2: ^ Is not an alien
< Has cheesecake
v Wants my cheesecake?
Person 3: ^ Yes
< Hungry
v Hates me?
I'll start.
^ No one's above me, therefore I can't do that one.
< Is bored.
v Is bored as well?