ScopesGuide.com Glossary

Terms that start with P

Parallax is a condition in telescopic sights when the crosshairs are not on the same image plane.
Plinking is when a shooter shoots at a target just for fun.
The point of aim is the point or target on which the shooter is aiming for.
A projectile (usually a bullet) is the object that is fired from a weapon which then continues in motion through the air after the firing.
A propellant is a ballistic chemical that is used in a firearm to project a projectile.