This is a sample page that differs from a blog post because the pages stay in one place and are usually displayed in your site’s internal links list (in most themes). Most people start working with tabs from an “About Me” tab that introduces them to the site’s readers. For example, they say:

Hello friends, I am an office worker by day and a taxi driver by night, this is my blog. I live in Ahvaz, which is a city in the southwest of Iran.

or something like this:

XYZ company was established in 1365 and is a provider of industrial products. This company has 2000 employees. We hope you are satisfied with our products.

As a new Persian WordPress user, you can go to your counter to delete this page and create new pages. Good luck!