'Open' in the Bible

Let your ear now be attentive, and your eyes open, that you may listen to the prayer of your servant, which I pray before you at this time, day and night, for the children of Israel your servants while I confess the sins of the children of Israel, which we have sinned against you. Yes, I and my father's house have sinned.

Therefore set I in the lowest parts of the space behind the wall, in the open places, I set [there] the people after their families with their swords, their spears, and their bows.

Then Sanballat sent his servant to me the same way the fifth time with an open letter in his hand,