en_tn/act/08/05.md

went down to the city of Samaria

The phrase "went down" is used here because Samaria is lower in elevation than Jerusalem.

the city of Samaria

Possible meanings are 1) Luke expected the readers to know which city he was writing about. Alternate translation: "the main city in Samaria" or 2) Luke did not expect his readers to know which city he was writing about. Alternate translation: "a city in Samaria"

proclaimed to them the Christ

The title "Christ" refers to Jesus, the Messiah. Alternate translation: "told them that Jesus is the Messiah" (See: rc://en/ta/man/translate/figs-metonymy)