# The whole city was filled with confusion

Here "city" refers to the people. The city is spoken of as if it were a container. And, "confusion" is spoken of as if it were the contents that filled the container. AT: "Then people all over the city became upset and started shouting" (See: [[rc://en/ta/man/translate/figs-metonymy]] and [[rc://en/ta/man/translate/figs-metaphor]])

# the people rushed together

This was a mob or near riot situation.

# into the theater

The Ephesus theater was used for public meetings and for entertainment such as plays and music. It was an outdoor semi-circular area with bench seats that could hold thousands of people.

# Paul's travel companions

The men who had been with Paul.

# Gaius and Aristarchus

These are names of men. (See: [[rc://en/ta/man/translate/translate-names]])