Keywords are the words or phrases that you use in your content to improve Search Engine Optimization. It is very important that the word people write in the search engine matches with the keyword you determined or their being at a point close to this match. Long-tail keywords are words that are usually three or more words long. It is generally around five or six words.
Long-tail keywords have some certain benefits. Short-tail keywords often appeal to large mass of people and are highly competitive. This is not the case for long-tail keywords. Long-tail keywords are more explanatory. Thus, it helps search engine bots recommend your content to the right people.