tabernacle. Hebrew. 'ohel, tent (App-40.), i.e. David's tent on Mount Zion. The Psalm probably refers to Absalom's rebellion.
trust. flee for refuge. Hebrew. hasah. App-69.
covert. secret place.
wings. Figure of speech Anthropopatheia. App-6.
Selah. Connecting the confidence with the only true ground of it. This is the central member of the Psalm. See the Structure above.