When you control your domain you act from the center of your being. In the realm of the mind it means you can hold and project and important thought. In the realm of the body it means that you are able to circulate blood from the core to the outer limbs and glands.
What is Kundalini?
Kundalini is a technology. It is comprised of the full spectrum of yogic tools—mantra (sacred sound), asana (posture), mudra (hand position), bandha (body lock), meditation (mindful focus), and pranayama (breathing technique) Kundalini is also very specific. You might be working on a Kriya (sequence of exercises) to target the lungs, the digestive system, to balance the head and the heart, to energize the spine, strengthen your magnetic field or bring prosperity. What you might notice after the first class is more energy, the ability to sleep more soundly, a brighter mood and a calmer mind.