A short-sleeved t-shirt with a rounded neck. 

T-shirt

A short-sleeved t-shirt with two buttons at the neck. 

T-shirt With Buttons

A pair of pants or jeans hanging on a wire clothes hanger. 

A short-sleeved t-shirt with a pocket on the front. 

A small nightstand or dresser with books piled on top.

A wardrobe cabinet or armoire with drawers. 

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.