To each his own. A tablet to me is something one would take for a headache or as a result of having a prescription filled at the pharmacy. They're usually small round flat things that come in a bottle. To be taken with water or a sip of your best cognac. You could write on them if you squint really hard, I guess, but why one would want to do this is beyond me, after all, you put them in your mouth and swallow them. Whose going to see what you wrote ?What Tom said. To me a tablet is something you write on. With a pencil or pen.