Arcana Coelestia # 354
354. Jehovah had respect for Abel and his gift' means that things constituting charity and all worship deriving from it were acceptable to the Lord. This has been explained already under what 'Abel' means and under 'gift'.
God seen face to face
In Genesis 32:30, this signifies interior things, or thoughts and affections which appear on the face. (Arcana Coelestia 4299)