Welcome to steemit @world-bestmacro !!! Hope you will have a great journey ahead!!

This will be helpful for you to get a more understanding, STEEMIT - A GUIDE FOR NEWCOMERS.

Here is a List of Steemit Communities Categorized by Their Subjects. You can explore the communities according to your preferences. Don't forget to follow steemitblog, for more updates. You can get great tips for writing from here, Applying Markdown