I think there isn't an exact definition but generally a startup has theoretical hyper growth potential. So opening your own bakery would not qualify, envisionin

I think there isn't an exact definition but generally a startup has theoretical hyper growth potential. So opening your own bakery would not qualify, envisioning a franchise chain of bakeries (or a social network etc.) would. [I don't particularly like this definition but that is the common understanding AFAIK]