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# Glossary

1. **SMS** - Short Message Service, also called a text message.
2. **MMS** - Multimedia Messaging Service; a standard way to send multimedia such as pictures, videos, and other attachments over text messaging channels.
3. **Unicode SMS** - SMS messages sent and received containing characters not found in the GSM-7 character set. An SMS allows up to 160 characters from the GSM-7 character set.
4. **GSM-7 Set** - Includes all Latin characters A–Z, digits 0–9, plus a few special characters.
5. **UTF-8** - A variable-length character encoding standard used for electronic communication, derived from the Unicode Transformation Format – 8-bit.
6. **TCPA** - The Telephone Consumer Protection Act; a federal statute enacted in 1991 to safeguard consumer privacy in the United States. Restricts telemarketing via voice calls, SMS texts, and faxes.
7. **Group SMS** - Messages exchanged between a group of people. Currently not supported in business texting or WhatsApp using API.
8. **Bulk SMS** - Sending messages to a number of contacts belonging to a specific list. Similar to campaign messages; bulk SMS instances are not tracked while campaigns can be tracked.
9. **SenderIds / VMN / Inbound number** - Interchangeable terms for the phone numbers owned by the business that originate text messages.
10. **SMS Template** - Predefined text with variable fields that can be used while sending messages.
11. **Conversation** - 2-way message exchanges between two entities (B2B or user-to-user).
12. **Account** - Represents an organization or a business that is part of the sales procedures.
13. **Master/Child Account** - A method to define the hierarchy of accounts (e.g., Business HQ is the master account, branch offices are child accounts).
14. **Account ID** - Your 8-digit account identifier with SMS-Magic. For the USA data center, it starts with 8 (e.g., 80012121). For the EU data center, it starts with 7 (e.g., 70012121).
15. **API Key** - Identifier used to authenticate API calls from your account.
16. **Webhook** - An HTTP-based callback function that allows lightweight, event-driven communication between two APIs.
17. **Business Hours** - Set your business's working hours; no messages will be sent outside them.
18. **Campaign** - Used to send out bulk campaigns to up to 50K recipients.
19. **Contacts** - Store recipient mobile numbers as contacts for future reference.
20. **Converse Desk** - Used to have a 1-on-1 conversation with recipients and manage them via Inbox.
21. **Coverage** - List of countries to which your business sends messages.
22. **Number Credits** - The number of incoming numbers you want to purchase from SMS-Magic.
23. **SMS Credits** - The currency of SMS messaging; a certain number of credits are necessary to send a message.
24. **Numbers or SenderIds**:
    * **Long Code or 10DLC** - 10-digit numbers tied to an area code (e.g., (XXX) XXX-XXXX).
    * **Short Code** - 5–6 digit numbers (e.g., '69488'); can only be used to send and receive SMS.
    * **Toll-Free Number** - Text-enabled toll-free numbers; typically start with 8xx.
25. **Subscription Management / Consent Management** - NDNC Compliance feature; manage recipient opt-ins and opt-outs system-wide or for individual sender IDs.
26. **User** - An account can have multiple users, each able to separately log in and access SMS-Magic Web Portal services.
27. **User License** - Allows users of the account to access all apps in your company.
28. **Customer Care Window** - A WhatsApp messaging session that starts when a user sends your business a message and lasts for 24 hours.
29. **Registered WhatsApp Template** - Pre-approved message templates (MTMs) for outbound notifications such as delivery alerts and appointment reminders.