Perplexing Knots

How will I promote a forum/website without the neccessity of spamming other websites and email addresses? I don't understand spam- spamming. In layman's lingo, please explain, illustrate concretely tangible or visible meaning of spam. In other words, just give me one simple English word for spam. As much as possible, I want to surf the internet spamless or destroy, desturb not others domain & properties

What's the simple meaning of SUBSCRIBE TO BLOG ENTRY? I know kind souls are just around the corner waiting to help me, will you?