Vote

Voting on a post should show that you think it's good. It could also pay you to do so, but don't expect to earn much until you have hundreds of Steem Power

Follow

Following someone means you will see their posts in your Feed page. It saves the effort of search for stuff all the time, but searching and using tags to start with will lead you to the good writers. They will probably appear in the Hot, Active and Trending pages

Comment

Now we're talking! Get involved in the conversation and you will make friends. You may even pick up some followers for yourself. Just keep it on topic and don't go begging for follows and votes. That's a sure way to get blocked or voted down.