In plain words
Prāṇāyāmas are means of restraining Prāṇa characterized by Recaka, exhalation; Pūraka, inhalation; and Kumbhaka, retention.
Prāṇāyāmas are means of restraining Prāṇa characterized by Recaka, exhalation; Pūraka, inhalation; and Kumbhaka, retention.