Hi Kamelia!
Congratulations for deciding to join the platform and very welcome to this amazing ecosystem.
I hope that with the help of your friend you will get to know Hive better, but just in case, I leave you a collection of guides that can help you on the right path to share content in the best way within HIve. Good luck!
https://peakd.com/c-c-c/@newbies-guide/general-overview-of-hive-for-newbiew