Face of the ground
In Genesis 8:8, this signifies what people in the church have in them, the word ground being used because this is a person's first stage in becoming a church.Later, the face of the ground being dried up in Genesis 8:13 signifies regeneration when falsities no longer appeared.
(References: Arcana Coelestia 898, Genesis 13)
Learned
In Daniel 12:3, 'the learned,' or 'wise,' who 'shall shine as the stars,' are people who are in good.
(References: Arcana Coelestia 3820)
