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
energy release aka yield
21.
Certainly.
No
No
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.