Definition of "KISS

Definition of "KISS" from educational point of view... :P
MATHS:
KISS is the shortest distance
between 2 Lips...!
.
.
ECONOMICS:
KISS is that thing 4 which the
DEMAND is always higher than the
SUPPLY...!
.
.
PHYSICS:
KISS is the powerful process of
charging 2 human bodies in a
short time...!
.
.
COMPUTER: KISS is just like a LAN,in which 2
bodies are connected without
any DATA CABLE...!
.
.
.
.
Class Over!