en_tn/act/11/27.md

General Information:

Here Luke tells background information about a prophecy in Antioch. (See: rc://en/ta/man/jit/writing-background)

Now

This word is used here to mark a break in the main story-line.

came down from Jerusalem to Antioch

Jerusalem was higher in elevation than Antioch, so it was normal for Israelites to speak of going up to Jerusalem or going down from it.