Keywords in SEO are the individual words or phrases that users enter into search engines like Google, or Bing to find what they are looking for. SEO keywords are usually one word, two words, and can even be a phrase.
Different business and products have their own set of keywords that are relevant to what they are offering to their audience. Keywords are a crucial part in SEO, so it is important to be aware of the keywords you are using to your business.
Keywords aim for search engine popularity. There are various ways to rank for a specific keyword, and deliver a more targeted traffic.
WPBusiness tips shows you the importance of keywords and how you can use them effectively: http://wpbusinesstips.com/2014/07/understanding-seo-keywords/