WhatsApp Business is a tool designed to aid enterprises in reaching, communicating and building relationships with their customers. It extends the core features of the regular WhatsApp application to cater to the needs of businesses.

This includes the ability to message privately with end-to-end encryption, allowing secure and private business conversations. Businesses can build a community through group conversations.

Furthermore, various expressive features are included, such as stickers, voice clips, and GIFs, enhancing the communication experience. The application also supports messaging and calling functionalities globally, assisting businesses in staying connected with their customer base around the world.

The platform maintains a heavy focus on privacy, with controls for managing business-critical information. With the aid of 'WhatsApp for Web', users can continue their conversations and customer interactions from their personal computers or laptops.

Overall, WhatsApp Business is a comprehensive tool assisting businesses in offering customer service and maintaining relationships on a globally recognized platform.