Dharana is fixing the mind in a locus which is fit for meditation. In Dhāraṇā, the practitioner binds their consciousness to one single point of focus, completely uninterrupted by external distractions.
Dharana

Dharana is fixing the mind in a locus which is fit for meditation. In Dhāraṇā, the practitioner binds their consciousness to one single point of focus, completely uninterrupted by external distractions.