Hi @yasi92, Welcome to the steemit family. Wish you a great journey here.

You can have a basic understanding from here, STEEMIT - A GUIDE FOR NEWCOMERS. Here is the Lists of Achievement Tasks,Resources & Materials : Newcomers Resources. You can complete them eventually. Meanwhile, you can explore, different communities according to your preferences.List of Steemit Communities Categorized by Their Subjects v3

Always you can clarify any question from the telegram channel, feel free to ask. Best of luck!!!