Using the opposites "east" and "west" is a way of saying "everywhere." AT: "from everywhere" or "from far away in every direction" (See: [[rc://en/ta/man/translate/figs-merism]])
People in that culture would lie down beside the table while eating. This phrase indicates that all those at the table are family and close friends. The joy in the kingdom of God is frequently spoken of as if the people there were feasting. AT: "live as family and friends" (See: [[rc://en/ta/man/translate/figs-metonymy]])
Here "kingdom of heaven" refers to God's rule as king. The phrase "kingdom of heaven" is used only in the book of Matthew. If possible, keep "heaven" in your translation. AT: "when our God in heaven shows that he is king" (See: [[rc://en/ta/man/translate/figs-metonymy]])
The phrase "sons of" is a metonym, referring to the unbelieving Jews of the kingdom of Judea. There is also irony here because the "sons" will be thrown out while the strangers will be welcomed. AT: "those who should have allowed God to rule over them" (See: [[rc://en/ta/man/translate/figs-metonymy]] and [[rc://en/ta/man/translate/figs-irony]])
Here "outer darkness" is a metonym for the place where God sends those who reject them. This is a place that is completely separated from God forever. AT: "the dark place away from God" (See: [[rc://en/ta/man/translate/figs-metonymy]])
"Grinding of teeth" here is a symbolic act, representing extreme sadness and suffering. AT: "weeping and showing their extreme suffering" (See: [[rc://en/ta/man/translate/translate-symaction]])