Colossians 4:7–18 ends Paul’s letter to the believers at Colossae in his typical fashion. Most of Paul’s letters begin with an introduction, transition from ideas into applications, and then end with general news and greetings. Here, Paul specifically mentions the town of Laodicea, which was about 12 miles away from Colossae. He also refers to several fellow Christians, some of whom are mentioned in other letters as well, including Tychicus, Onesimus, Aristarchus, Mark, Epaphras, and Luke.
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“Colossians 4:17” Bibleref.com
17 Tell Archippus, “Take heed to the ministry which you have received in the Lord, that you fulfill it.”