You will need to choose one main keyword or keyword phrase, and 4-6 secondary keywords.
search keywords that will stand the test of time. Avoid words that are too general, you want targeted keywords for targeted traffic. But do not stray to the opposite extreme, the keyword is not good if it's something very specific that no one would ever find it.
Look for a mix of general secondary keywords and special. Better yet,
Once you have your keywords, not limit them to only Visit your website.