These are just simple words meaning you made it! You won! You beat the enemy!
We all need a victory, a win in our every day lives. We press on to overcome - to overcome evil, to overcome weariness, to overcome wanting to give up, you name it - we all have our areas where we need to overcome.
1 John 5:3-5 (ESV)
For this is the love of God,
that we keep His commandments.
And His commandments are not burdensome.
For everyone who has been born of God
overcomes the world.
And this is the victory that has overcome the world
- our faith.
Who is it that overcomes the world
except the one who believes that Jesus is the Son of God?
Then just for good measure...
Psalm 124:8 (ESV)
Our help is in the name of the Lord,
who made heaven & earth.
Go. Fight. Win!