This is the name of a place where the people of Israel sacrificed their children to a false god by burning them with fire. (See: [[rc://en/ta/man/translate/translate-names]])
This is the name of a valley south of the city of Jerusalem, where people sacrificed to false gods. (See: [[rc://en/ta/man/translate/translate-names]])
Here the word "mind" refers to Yahweh's thoughts. Alternate translation: "nor did I ever think about it" (See: [[rc://en/ta/man/translate/figs-metonymy]])