How to make a prototype of the app and whether I made my first prototype?

After a couple weeks of lifting knowledge of PHP decided to put a small blog with contacts and messages, but all right there? The jambs of the user is unsuccessful inputs (Until no samudraya, do not throw bricks).
Rectangles - individual pages
The circles are links to other pages that you can do on this page
July 2nd 19 at 17:35
2 answers
July 2nd 19 at 17:37
1. This is not a prototype, it's kind of sketchy description
2. Read about types of diagrams, uml etc.
July 2nd 19 at 17:39
Relationships between tables are not?

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