# After these things

"These things" refers to when the kings fought and Abram rescued Lot.

# the word of Yahweh came to Abram in a vision, saying, "Fear

"Yahweh gave a message to Abram in a vision. He said, 'Fear" or "Yahweh spoke this message to Abram in a vision: 'Fear"

# I am your shield

"I will protect you like shield" or "I am your shield to protect you"

# I am ... your very great reward

Possible meanings are 1) "I myself will be all that you need" or 2) "I will give you all you need."

# reward

the result of a person's actions. This is the gracious blessing God would give Abram.