P is just an alphabet. There are different words that starts with the alphabet P like
P = Perception
P= Place
P= Price
P= Payment
of Stand, imp. & p. p. of Stand.
Postage and Packing
Patrick
p stands for "progressive"
Polarized
p stands for "progressive"
Premium
P = Phosphorous
Phillip
The P in PIN stands for personal.
Events in a pentathlon.
A Pimp is an agent for p*********s. It does not stand for anything.