In Zechariah 8:12, 'the vine shall give her fruit, and the ground her increase,' signifies that the spiritual affection of truth produces the good of charity, and the natural affection of good and truth produces the works of charity.

(Odkazy: Apocalypse Explained 695)

912. 'Bring out with you' means their state of freedom. This is clear from what has been stated about 'going out of the ark' in verse 15 above meaning freedom.