'Open' in the Bible

I said, "So now, you wailing women, hear what the Lord says. Open your ears to the words from his mouth. Teach your daughters this mournful song, and each of you teach your neighbor this lament.

The Lord answered, "If you have raced on foot against men and they have worn you out, how will you be able to compete with horses? And if you feel secure only in safe and open country, how will you manage in the thick undergrowth along the Jordan River?

Johanan and all the officers of the troops that had been hiding in the open country came to Gedaliah at Mizpah.

Come from far away and attack Babylonia! Open up the places where she stores her grain! Pile her up in ruins! Destroy her completely! Do not leave anyone alive!