Business — The Business plan is similar to the basic plan.
All you have to do to become a subscribed G Suite user is sign up using the standard sign-up process.
G Suite for Education G Suite for Education comprises almost all the tools available with G Suite Basic plan.
There is no minimum or maximum user limit for discounted Enterprise plans.
What is the purpose of the methodology? Unfortunately, some organizations may not have the budget to support a hodge-podge of various solutions, making the prospect of a unified tool a welcome one.
When using Google services, it is up to you to determine who has access to the data you've placed there.