8. Messages 
You can easily send messages to a contact or a group of contacts.
Child topics:
‣ Section 8.1. Displaying your chat history
‣ Section 8.2. Searching for chats
‣ Section 8.3. Creating a 1-to-1 chat
‣ Section 8.4. Initiating a chat
‣ Section 8.5. Creating a group chat
‣ Section 8.6. Adding users to a chat
‣ Section 8.7. Pinning a chat conversation
‣ Section 8.8. Adding an attachment to a chat
‣ Section 8.9. Deleting a chat message
‣ Section 8.10. Forwarding chat messages
‣ Section 8.11. Leaving a group chat
‣ Section 8.12. Starting and using the chat in a 1-to-1 call
‣ Section 8.13. Starting, using and adding to chat during a conference call