administrator (a.k.a. “admin”) – The person or people who are responsible for the upkeep and configuration of the account. The admin has full access to everything on the account including adding users, changing billing information, setting options, and more.
user – A person or people who is allowed to create and execute marketing campaigns and add or remove contacts. User’s do not have permission to make changes to the company account, that permission is reserved for admin.
transaction – the number of outgoing emails allowed to send per month