Successful business ventures typically move from a] problem/solution ideation to b] planning to c] startup to d] stable to e] sustainable to f] scalable.
Another perspective ...
1. Opportunity ... gap in market, new technology ... maybe, just maybe, we can do something here
2. Idea ... clear problems, viable solutions ... hmmm, looks like there is something here
3. Concept ... viable strategies for earning a profit solving customer problems better than the competition
4. Venture ... viable innovation concept (product, service, process, position, method); viable team (innovator, entrepreneur, money manager); viable resources (people, places, things, time, money)
5. Organization ... team, roles, clear strategies,
6. Company ... legal entity (corporation, LLC, et alia), pre-sales, unstable financials (raising funds)
7. Business ... low-hanging fruit, sales, customers, stable, positive EBITDA, viable business model
8. Enterprise ... scale, scope, markets, growth, significant EBITDA, defined task and assignments, employees
9. Institution ... significant market share, significant industry position, re-invention, continual innovation
10. Tombstone ... the cows have run out of milk