Thinking the ... box

Six faces
Square
The right angle
Vertical/ horizontal
Corners
Rigidity
Exterior/ interior
Closed
Symmetry
Contains
Manufactured (wood, metal, etc)
Lid or lock
Secrets
Archive
...

Thinking the ... bowl

Round
Circle
Curved
Hollow
Open
Irregularities
Concavity
Receives
Holds (temporarily)
Adapts to the hand, the palm
Shaped, turned, formed
Clay
...

This in relation to Western vs Japanese aesthetics