A Stylus

1. A sharp stick used in ancient times for writing on clay tablets or other surfaces; a sharp tool for engraving. Synonym: style Stylus - Wikipedia
2. A tool for making small dots on a piece of heavy paper, used to produce Braille writing for the blind by hand.
3. A phonograph needle.
4. (botany) Synonym of style
5. (computing) A small plastic stick used as a pen for writing on the touch-sensitive screen of an electronic device.