1. On top of indicates a position higher than the object.
Pattern: verb + on top of + noun
They put the blanket on top of the sheets, and the bedspread on top of the blanket.
I’m sure I left my keys on top of the desk.
to be on top of something—to be sure about one's knowledge or control of something Her son had a hard time learning math, but he is on top of it now.
Best Used Luxury Cars
Infiniti G37 Sedan
NADA used 2012 retail price: $22,325; original sticker price $36,900. Infinitis rear drive midsize luxury sedan packs a 3.7 liter V6 punch and handles nicely through the curves, with a relatively smooth ride and ample accommodations. Coupe and convertible G37 versions are also available, but theyrebased on the Nissan Z sports coupe and as such are rougher riding and feature cramped cabins.