What trim is your 2005 Chevrolet Colorado?

What does "trim" mean?
I don't see my vehicle's trim.

2005 Chevrolet Colorado 1LT Extended Cab Standard Bed

1LT Extended Cab Standard Bed

2005 Chevrolet Colorado Crew Cab Short Bed 1LT

Crew Cab Short Bed 1LT

2005 Chevrolet Colorado LS Regular Cab Standard Bed

LS Regular Cab Standard Bed

2005 Chevrolet Colorado LT CrewCab Short Bed

LT CrewCab Short Bed

2005 Chevrolet Colorado LT Extended Cab Standard Bed

LT Extended Cab Standard Bed

2005 Chevrolet Colorado WT Extended Cab Standard Bed

WT Extended Cab Standard Bed

2005 Chevrolet Colorado WT Regular Cab Standard Bed

WT Regular Cab Standard Bed

2005 Chevrolet Colorado Z71 CrewCab Short Bed

Z71 CrewCab Short Bed