Hello Omidinist, and welcome to the Wikimedia Meta-Wiki! This website is for coordinating and discussing all Wikimedia projects. You may find it useful to read our policy page. If you are interested in doing translations, visit Meta:Babylon. You can also leave a note on Meta:Babel or Wikimedia Forum (please read the instructions at the top of the page before posting there). If you would like, feel free to ask me questions on my talk page. Happy editing!