You could create a Tour page similar to Stack Overflow and also a FAQ page if necessary, that covers all the questions one might have related to the website's functionality.
To add a new page navigate to:
admin > pages > add new page
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.