Blogs what are they and who is using them

I hear Blog this and blog that and she is a blogger…. what does all this mean? Who is using blogs and why? I have found it somewhat hard to connect or simply find certain blogs of topic… what is the fuss all about? Do large search engines pull up these blogs? It’s states that the blog is ” public” any experience or advice on the best way to utilize this app WordPress would be helpful. Thank you. 

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How do you connect with others on here?

How does Wordpress work?

I am totally new to this site and have made a few posts. I discovered in a attempt to find other posts about a topic that mine will not show up in a search, even if I type the title word for word. So what’s the process on here? How do people see your posts? What is this site all about?