He is the exact living image [the essential manifestation] of the unseen God [the visible representation of the invisible], the firstborn [the preeminent one, the sovereign, and the originator] of all creation.

yet Christ has now reconciled you [to God] in His physical body through death, in order to present you before the Father holy and blameless and beyond reproach—

Now I rejoice in my sufferings on your behalf. And with my own body I supplement whatever is lacking [on our part] of Christ’s afflictions, on behalf of His body, which is the church.

that is, the mystery which was hidden [from angels and mankind] for ages and generations, but has now been revealed to His saints (God’s people).

But now rid yourselves [completely] of all these things: anger, rage, malice, slander, and obscene (abusive, filthy, vulgar) language from your mouth.