Keywords: What Are They?
Cliffnotes on how to choose a good keyword: Make it more than 3 words, try to mimic what people would type on a search engine, research in a tool such as the keyword planner on Google Adwords to find a combination that has traffic and makes sense to you.
After you have chosen the keyword you want to write your webpage about you need to know how to place those keywords in your webpage so that it tells search engines what the page is about.
There are a few factors that improve the relevancy of the keywords. Keyword density, keyword prominence and keyword proximity.
"Keywords Tips: How to place keywords on your webpage
"How to place keywords on your webpage"
Since my keyword is "keyword", then it's better for SEO to have that on the beginning of the title than in the middle of the title.