"went back to the Negev desert"
"Abram had many livestock, much silver, and much gold"
"They continued on their journey"
"to the place where he had set up his tent before he went to Egypt"
"prayed in the name of Yahweh" or "worshiped Yahweh."
This word is used to show what follows is background information to help the reader understand the events that follow.
There was not enough grazing land and water for all their animals.
This includes livestock, which need pasture and water.
"could not live together"
"Let's not quarrel"
"let's stop the men who take care of our animals from quarreling"
"because we are family"
"The whole land is available for you to use."
Abraham was speaking kindly to Lot and encouraging him to do something that would help them both. "Let's separate."
Possible meanings are 1) "If you go one way, then I will go the other" or 2) "If you go to the north, I will go to the south." Abram let Lot choose the part of the land he wanted, and Abram would take what remained.
This refers to the general region of the Jordan River.
"had much water"
"like the garden of Yahweh or like the land of Egypt." These were two different places.
This anticipates something that would happen later. It is important here because it explains why Lot settled in a region that later was not fertile.
"the kinsmen" or "the families." This refers to Lot and Abram with their households.
Possible meanings are 1) "He set up his tents near Sodom" or 2) "He moved his tents around in an area that reached all the way to Sodom."
God is saying that he will give Abram very many descendants.
"walk around all over the whole land"
This was the name of the man who owned the oak trees.
This is the name of a place.
"an altar for worshiping Yahweh"