What are three essential things that will help you survive in deserted island?
A matchbox/match (a basic tool to make fire is essential), a water filter, and a knife, I suppose.
Retrospring uses Markdown for formatting
*italic text* for italic text
*italic text*
**bold text** for bold text
**bold text**
[link](https://example.com) for link
[link](https://example.com)