4 under par is known as a "Condor".
Simply 5 under. There is no special name for it.
A score for one hole that is one under par is an, "Eagle".
Positive integers are usef in almost all sports , when scoring. Negatives are used in golf when you hit under par (good thing), and 0 is used when on par or before scoring in other sports
It is impossible to get a five under par.
A par is a certain ammount of strokes you hit the ball with in golf. If you hit under the ammount of par it is reffered to as an under par. Which is different depending on the difficulty.
A birdie is a golf hole played one under par.
For a round of golf- one under. For a given hole- a birdie.
To get under par.
One under par for a given hole in golf.
Three under par on one hole of golf is an albatross or a double eagle.