my first blog introduction myself.

hi all this is the first time i introduce myself in steemit this is also my first post.
my name is: ratna sari i also do not understand what is steemit and how to use it. i hope my friends can help me about how to use steemit.jika my friends would you like to help me on how to use steemit I would be very grateful, before I used steemit because my curiosity about what is steemit? and how he can make money so thank you ..