Long-Tail Keywords are keywords or key phrases that are more specific – and usually longer – than more commonly used keywords. However, they are known to get less search traffic. But, when they do, they’ll usually have a higher conversion value, as they are more specific.
Inbound Links are links coming from another site to your own website. Whereby, the term “Inbound” is generally used by the person receiving the link. While on the other hand, outbound links are links from your website to another website. Therefore, internal links are links on a certain website or blog post that links to another page on that same website.