Long tail keywords are key phrases that are more specific, usually longer than the common keywords and targeted to a narrow audience that people use to search for information on the internet.
Sitemaps come in two flavours:
You can have a page sitemap and an XML sitemap
Keyword research is the process of finding and analyzing the best keywords to target for a given purpose, such as ranking in search engines or driving traffic to a website.
Search Engine Optimization, or “SEO” for short, is the process of improving the visibility and ranking of a website or web page in search engine results pages (SERPs).