Self-realisation is often understood as the fulfilling the possibilities of one's character or personality. It is also equalled with self-actualisation, which is to realise one's potential full well. The Sanskrit term 'Atmajnana' (Self-knowledge) is often translated as Self-realisation too. TK | 
Traditional yoga uses (1) meditation for mental clarity and development; and (2) body postures for suppleness and bodily harmony. (3) Usually, calculated guidelines or instructions in living go along with meditation and yoga as a way of life. One is encouraged to stick to the basics for progress and balance. Also, there are other aims and uses of meditation too.
