Understanding conversations
WhatsApp Business runs on conversations rather than individual messages, meaning that many internal mechanisms, limits, and conversation-based pricing affect or relate to conversations on your Business Account.
A conversation is essentially a 24-hour timeframe triggered when a business sends a message. This message could be either initiated by the business (business-initiated) proactively or in response to a message from the user (user-initiated).
To understand each individual conversation type, read the detailed explanation of what a WhatsApp conversation is, it’s especially important if you’ll be using business initiated template message to drive traffic to your business.