Tablet

A small table or flat surface.

A flat piece of any material on which to write, paint, draw, or engrave; also, such a piece containing an inscription or a picture.

Hence, a small picture; a miniature.

A kind of pocket memorandum book.

A flattish cake or piece; as, tablets of arsenic were formerly worn as a preservative against the plague.

A solid kind of electuary or confection, commonly made of dry ingredients with sugar, and usually formed into little flat squares; -- called also lozenge, and troche, especially when of a round or rounded form.

a dose of medicine in the form of a small pellet

a portable computer with a touchscreen