Today's Subhashita.

अष्टावङ्गानि योगस्य यमो नियम आसनं  |

प्राणायामः प्रत्याहारो धारणा ध्यानतन्मयः ||    - महासुभषितसंग्रह  (३५९१)

अर्थ -      योग विद्या के आठ अङ्ग (विभाग) यम , नियम, आसन, प्राणायाम,
प्रत्याहार,  धारणा, ध्यान तथा तन्मयता (समाधि) कहे गये हैं |

Ashtaavangaani yogasya yamo niyam aasanam.

Praanaayaamh pratyaahaaro  dhaaranaa dhyaanatanmayah.

Ashattavangaani = ashtaah +angaani.    Ashtaah = eight.

Angaani =  subdivisions.    Yogasya = of the Yoga.  
Yoga = a Hindu spiritual and ascetic discipline, a part of which, including
breath control, simple meditation, and the adoption of specific bodily postures,
is widely practised for health and relaxation). literal meaning of the word is
union or to join.    

1.Yama = observance of ethical rules of Hinduism, namely Amhimsa (non-

violence, Satya (truthfulness), Asteya (non-stealing),Brahmacharya (celibacy,

remaining faithful to one's spouse) and Aparigraha (non possessiveness.

2, Niyam = observance of virtuous behaviour.   

3. Aasana= various postures ofthe human body to be held for a period of time

with a view to improving the  function of various limbs etc of the body.  

4. Praanaayama = regulating the breathing process (inhaling and exhaling)

5. Pratyahaar = turning one's attention to one's true self and inner world.

6. Dhaaranaa = holding one's mind focused on to a particular inner state.

7. Dhyaan = contemplation, abstract meditation.
8. Tanmayah /Samaadhi  = concentration of mind over a subject or object
of meditation.
(For full details please refer to https://en.wikipedia.org/wiki/Yoga_Sutras
_of_Patanjali#Yamas).

i.e.     There are eight subdivisions of the discipline of Yoga, namely Yama,
Niyam, Aasana, Praanaayaama,  Pratyaahara, Dhaaranaa, Dhyaan, and
Samaadhi (tanmayataa).