FOID is a system put in place in the state of Illinois to allow state residents to purchase firearms. It doesn't give them any allowance to actually carry them.
Concealed weapons are typically used for self defense.
Being a Florida concealed weapons instructor I can say for sure that Florida does.
It depends on where you are located.
A concealed weapons permit is only a license that allows you to carry a firearm in public without it being clearly visible. Owning a firearm is a completely different set of permissions, and is usually required before you can even get a concealed weapons permit.
No.
Yes
21.
Certainly.
No
No
energy release aka yield
In general, we live in a peaceful society in which it is not necessary for people to carry weapons, whether concealed or displayed. However, depending upon a person's specific circumstances, it is sometimes useful to carry weapons and sometimes useful to carry concealed weapons.