- Person: Is an individual in your Mobile Database.
- Participant: Is a Person who has one or more mobile interactions, such as sending a text message, with a company but has not yet subscribed to a Subscription List.
- Pending Subscriber: Is a Participant who has been sent a prompt to join a Subscription List, but has not replied "Y".
- Subscriber: Is a Participant who is subscribed to one or more Subscription Lists.
- Subscription List: Is a collection of Subscribers that have all subscribed to the same type of certain content.
- Recipient List: Is an externally defined set of People who match the target for outbound content delivery.
- Message: Is an individual communication sent to or from a Person.
- Broadcast: Is a message sent to a set of Subscribers.
- Standard Field: Are messages sent to a set of Subscribers.
- Custom Field: Are messages sent to a set of Subscribers.
- Tag: Are messages sent to a set of Subscribers.