0 a rectangular case with a handle that you use for carrying clothes when you are travelling -- bavul, valiz
A toothbrush in a bathroom cabinet, or a supermarket, or a living room, or a suitcase, or a bin, has a physical/material context.
The event of approaching a suitcase is very complicated visually.
I do not recognize suitcases and then detect motion.
I use the suitcases to store them in.
They have purses, bags, and suitcases like travellers or refugees.
The example they present is of someone recognizing her or his suitcase as it moves on a conveyer belt.
What information enables me to track (an inherently spatial task) the suitcase?
What information available in these events specifies a suitcase?
