That list was a paraphrased version of what I've picked up reading HN and talking to a few entrepreneurs near where I go to college.
As a whole if you're trying to start a company I'd say you must be able to answer two questions:
1. What is the need I am satisfying
2. Can this be profitable
and then if you have more time on your hands, Peter Thiel (Founder of Paypal) led a really good class at Stanford on how to start a company, which is entirely transcribed in a blog by Blake Masters
http://blakemasters.com/peter-thiels-cs183-startup
<-This was the series that first got me really interested in startups, and is also indirectly how I discovered Hacker News. Definitely worth the read
Additionally, Sam Altman taught the class a few years later and recorded the whole thing on video. It's equally excellent http://startupclass.samaltman.com/
As a whole if you're trying to start a company I'd say you must be able to answer two questions: 1. What is the need I am satisfying 2. Can this be profitable
For the kind of list you're talking about, the business model canvas is a great resource http://businessmodelgeneration.com/canvas/bmc?_ga=1.20278319...
and then if you have more time on your hands, Peter Thiel (Founder of Paypal) led a really good class at Stanford on how to start a company, which is entirely transcribed in a blog by Blake Masters http://blakemasters.com/peter-thiels-cs183-startup <-This was the series that first got me really interested in startups, and is also indirectly how I discovered Hacker News. Definitely worth the read
Additionally, Sam Altman taught the class a few years later and recorded the whole thing on video. It's equally excellent http://startupclass.samaltman.com/