I called upon the Lord in distress - Margin, as in Hebrew, “out of distress.” In the very midst of trouble he called upon the Lord; his voice was heard, as it were, coming from the depth of his sorrows. See the notes at Psalms 18:6.
The Lord answered me - That is, he heard my prayers, and delivered me. See the notes at Psalms 18:6.
And set me in a large place - I was before pressed on every side; sorrows compassed me around; I could not move; I had no liberty. Now he gave me space and freedom on every side, so that I could move without obstruction or pain. This is literally, “The Lord” - (not יהוה Yahweh here, but יה Yâhh) “answered me in a large place.” See Psalms 4:1, note; Psalms 18:19, note.