Devibhagavatapurana 7.35.44

7.35.44

viśuddhaṃ padmamākhyātamākāśākhyaṃ mahādbhutam |
ājñācakraṃ tadūrdhvaṃ tu ātmanādhiṣṭhitaṃ param ||

Above that is situated betwixt the eyebrows the exceedingly beautiful Ajñâ Chakra with two petals comprising the two letters "Ha," and Ksa. The Self resides in this lotus. When persons are stationed here, they can see everything and know of the present, past and future. There one gets the commands from the Highest Deity (e. g. now this is for you to do and so on); therefore it is called the Ajñâ Chakra.