Target those keywords which u need to promote and don't incorporate keywords in article which looks like that its incorporated forcibly.. Incorporate their.. where keyword requires..
A hyperlink is a URL, or simple a link like http://www.domain.com/ I don't know why futuretick would say to "just make a hyperlink". It seems completely irrelevant to the question.
Here is the recipe for a high-quality 500w SEO piece... 1. An enticing title beginning with your keyword. 2. High-quality content written for readers not search engines. 3. Bullet points and subheadings. 4. Your 'bolded' keyword used at the very beginning of the article. Then, use it every hundred words throughout. Try including it in the subheadings and at the beginning of sentences wherever possible. You should end the article with targeted keyword.
Keyword density should be 2%-4%..... make sure you use the keyword on the page title and then rest keyword on the article body. Anchor tags is the main thng here.. Make sure dont put too many.....try to keep it 3-4 anchor tags...