and when he had explained everything to them, he sent them to Joppa.

Simeon has explained how God first concerned himself to select from among the Gentiles a people for his name.

When Paul had greeted them, he began to explain in detail what God had done among the Gentiles through his ministry.

The whole group kept quiet and listened to Barnabas and Paul while they explained all the miraculous signs and wonders God had done among the Gentiles through them.