Shat and karma are the two root words combined to make shatkarma, ‘shat’ means ‘six’ and ‘karma’ is ‘action or kriya’. These 6 actions (shatkriya) are Dhauti, Basti, Neti, Tratak, Nauli and Kapalbhati. Shakarma are the techniques for detoxification that should be performed whenever there is need to take out excessive vata, pitta, kapha and thus balance the doshas. And to take off all the impurities from the body.
Pearls Of Wisdom – Dhyanam ध्यानम्
Patanjali Yoga sutra, the richest form of yogic text has given the sutra on meditation 'Dhyan'. The sutra is the second sutra of vibhuti paad (3rd chapter) of patanjali yog sutra.