A white keyboard has an Alt key and an Alt Gr key on either side of the space bar.
A white keyboard has an Esc key at the top left.
A keyboard that has all of the keys including that ones that say Ctrl and Alt is sitting on a red table.
A computer keyboard, with all of the letters and controls, including Ctrl and Alt.
A key that says Alt Gr is next to the space key on a white keyboard.