What is the context?
Cornelius is a centurion in Caesarea. Luke describes him and his household as devout and God-fearing, and specifically mentions his generosity and regular prayer. An angel tells him that his prayers and gifts have been remembered before God and directs him to send for Peter in Joppa.
Cornelius obeys by sending two servants and a devout soldier. Meanwhile, Peter goes to the roof to pray. He becomes hungry while food is being prepared and sees a vision of a sheet containing animals, reptiles and birds.
The command to kill and eat meets Peter’s objection that he has never eaten anything impure or unclean. The voice tells him not to call impure what God has made clean. The event happens three times. Peter does not yet understand its full meaning; the next encounter will bring the vision and the people sent by Cornelius together.
How is this passage commonly understood?
Christians commonly understand these visions as God preparing a Gentile household and a Jewish apostle for the same meeting. Peter’s explanation in verse 28 and his retelling in Acts 11:1–18 make the welcome of Gentiles central to their meaning.
Where does this fit in God's plan?
The events are coordinated, but not through a plan either man has made. One receives instructions to send, while the other is being prepared to go. God’s purpose includes a real encounter in which people hear the message about Jesus.
In Acts 11:13–18, Peter explains that Cornelius was promised a message through which his household would be saved. The church’s eventual conclusion is that God has granted Gentiles repentance leading to life. That later explanation supplies the larger purpose of these unusual events.
What is our position?
Should We Seek Signs From God? includes Cornelius in Acts 10 among the specific biblical accounts of God communicating through visions at important points in His larger purpose. The study distinguishes these recorded events from treating every present-day dream, impression or secondhand story as a dependable message from God. It leaves the broader debate about continuing visions open while insisting that claims must be tested.