focused or "one pointed" awareness or concentration, the ability to focus the mind on an object without distraction for extended periods of time.
Ekagrata - One of the purposes of Yoga practice, to attain ekagrata which is the state of single-pointedness.
Ekagra/one-pointed: The Ekagra mind is one-pointed, focused, concentrated (Yoga Sutra 1.32). When the mind has attained the ability to be one-pointed, the real practice of Yoga meditation begins.
Ekagra - one-pointed awareness
Ekagrata - one-pointed awareness or concentration; the ability to focus the mind voluntarily on an object without interruption for extended periods of time.
e, the merger of the Seer ( Subject), process of seeing and Seen ( Object) * Before coming to Dharana we have to learn Ekagranta ( concentartion) to tame the randomness of mind ( chanchalata) CHANCHALATA (Multiple object, Multiple thoughts), ...
The one-pointed concentration of mind is termed 'ekagrata'. There are numerous distractions which obstruct ekagrata. Association and identification through the eyes and sight are major contributing factors to this leakage.
Dhāraṇā builds further upon this by refining it further to ekagrata or ekagra chitta, that is single-pointed concentration and focus, which is in this context cognate with shamata.
repulsion; something which brings pain or enmity
the state of one - pointed attention ...
He had the highly developed Ekagrata of a Yogi. He could draw, as it were, any single thought from the brain pigeon-hole, dwell on it as long as he liked and could shove it back when finished.
Thus, the use of a drishti allows the mind to focus and move into a deep state of concentration. And the constant application of drishti develops ekagraha, single-pointed focus, an essential yogic technique used to still the mind.
See also: Mind, Yoga, Meditation, Sutra, Sutras