Those are session messages that do not require templates nor pre-approvals.
Interactive messages contain buttons, menus, or custom actions that invite users to interact with the business besides only typing texts. They achieve significantly higher response rates and conversions compared to text-based messages.
Interactive messages can be:
List Messages: 10-option menu, a consistent way for the user to select.
Reply Buttons: 3-option buttons, a quick way for the user to answer the business.