Table With Three Legs

Rolling Cabinet

Person sitting on a chair, watching a screen monitor.

A minimal cabinet with three drawers or shelves.

Several books standing upright, showing the spines. 

Several books standing upright in a row, with one book at the end leaning diagonally. 

A open book with lines representing text on one page. 

A set of books with the last book leaning against the others.

A round bubble with a teacher or presenter inside, giving a class and pointing a board.

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