==== format text ====
^ ^ ^
| Monospace | <code>
```text```
</code> |
| Italic | _text_ |
| Bold | *text* |
| Strikethrough | ~text~ |

See also:- 
  * https://faq.whatsapp.com/539178204879377/?cms_platform=web - got the above from here. It contains more info than summarized above.

==== I could not find a way to ====
  * send a message / photo to myself.