Concentration involves binding the mind to a single place or object. According to Patanjali's Yoga Sutras, concentration is achieved through focusing one's thoughts on a specific location or point without distraction.

1. What is Concentration?
 – Patanjali Yoga Sutra – Vibhuti Pada

2. Patanjali Yoga Sutra – Vibhuti Pada
Desabandhaschittasya dharana
1. Desa-place
2. Bandha-binding
3. Chittasya-of the mind
4. Dharana-concentration