O come, o come, Emmanuel,
And ransom captive Israel,
That mourns in lonely exile here,
Until the Son of God appear.
Rejoice! Rejoice! Emmanuel shall come to thee, O Israel!

Emmanuel means "God with us".  Emmanuel is the foretold name of the Messiah in the Old Testament.


SONGS OF ADVENT AND CHRISTMAS:
         O Come, O Come, Emmanuel
2017  Making Music Praying Twice 
Coloring Pages
https://www.makingmusicprayingtwice.com/kids-activity-pages/advent-christmas-coloring-pages
Advent and Christmas - Celebrate Faith Activities
- Lyrics to O Come O Come Emmanuel
- Meaning of Emmanuel
- The Story of Silent Night
- Christmas Around the World
- The Holy Family
- The Great Kings Puppets
https://www.makingmusicprayingtwice.com/kids-activity-pages/advent-christmas-celebrate-faith

Bible Study Planet explains the verses of the songs. (Adult reading level)
http://biblestudyplanet.com/o-come-o-come-emmanuel-bible-study/
2015