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 called out of the bush
In Exodus 3:4, this signifies influx from the Divine. (Arcana Coelestia 6840)