# WABA/Senders Basics and Management

- [Pre-Access Preparation Materials](/documentation/documentation-en/whatsapp-product/waba-senders-basics-and-management/pre-access-preparation-materials.md)
- [Business Verification](/documentation/documentation-en/whatsapp-product/waba-senders-basics-and-management/business-verification.md): This section explains how to complete business verification in Business Manager.
- [Phone Numbers (Senders)](/documentation/documentation-en/whatsapp-product/waba-senders-basics-and-management/phone-numbers-senders.md)
- [Register a Phone Number](/documentation/documentation-en/whatsapp-product/waba-senders-basics-and-management/phone-numbers-senders/register-a-phone-number.md)
- [Phone Number Status and Quality](/documentation/documentation-en/whatsapp-product/waba-senders-basics-and-management/phone-numbers-senders/phone-number-status-and-quality.md)
- [Messaging Limits](/documentation/documentation-en/whatsapp-product/waba-senders-basics-and-management/phone-numbers-senders/messaging-limits.md)
- [Display Names](/documentation/documentation-en/whatsapp-product/waba-senders-basics-and-management/phone-numbers-senders/display-names.md)
- [Official Business Accounts (OBA)](/documentation/documentation-en/whatsapp-product/waba-senders-basics-and-management/official-business-accounts-oba.md)
- [WABA Restricted Handling](/documentation/documentation-en/whatsapp-product/waba-senders-basics-and-management/waba-restricted-handling.md)