'To make a nest,' as in Jeremiah 48:28, when related to a bird, signifies the same thing as 'to dwell,' which is fulfilling the duties of active life when relating to a person.

(Odkazy: Apocalypse Explained 411)

'Mighty,' as in Revelation 19:18, signify people who are educated about doctrine derived from the Word. By extension, 'mighty' signifies education or learning derived there.

(Odkazy: Apocalypse Revealed 832)