Send & read text & voice messages in Google Messages
...To read a message that you just got, swipe down from the top of your screen and tap New Message . You can also open any conversation in Google Messages to read it again....
https://support.google.com/messages/answer/6080324?hl=en
Send & read messages with Google Assistant
...You can send and read messages with Google Assistant through SMS, messaging apps, or your watch to quickly communicate with your contacts without needing to type....
https://support.google.com/assistant/answer/9984245?hl=en
Google Messages
...Official Android Messages Help Center where you can find tips and tutorials on using Android Messages and other answers to frequently asked questions....
https://support.google.com/messages/?hl=en
How can you tell recipient read your message - Google Help
...Look for 2 tick boxes in blue. One tick means the message is sent, 2 ticks means it's been delivered 2 ticks in blue mean message has been read. Thanks for your question....
https://support.google.com/messages/thread/229113529/how-can-you-tell-recipient-read-your-message?hl=en
RCS chats by Google FAQ - Google Messages
...RCS chats: Offer read receipts, which show when someone has read or received your message. Read receipts also show your contact when you read their message. When you use RCS chats, your messages are sent with the Rich Communication Services (RCS) protocol over Wi-Fi and mobile data....
https://support.google.com/messages/answer/9487020?hl=en
Request or return a read receipt - Gmail Help
...Getting a read receipt doesn't always mean the recipient read your message. How a receipt works depends on which email system your recipient uses. For example, you may get a read receipt if a person using an IMAP-based email client marks your message as read, but doesn't open it. Some non-IMAP mobile email systems may not return receipts at all....
https://support.google.com/mail/answer/9413651?hl=en
If I send a message then want to delete it before the receiver has a ...
...For standard text messages (SMS) or most other messaging platforms, once a message is sent and delivered, you cannot delete it from the recipient's device remotely. It's crucial to be cautious about what you send in messages, as you generally cannot control or delete content from someone else's device after it has been delivered....
https://support.google.com/messages/thread/281162944/if-i-send-a-message-then-want-to-delete-it-before-the-receiver-has-a-chance-to-open-is-this-possiitt?hl=en
Update: New read receipt icons - Google Messages Community
...Here's an update about the new Messages Read Receipt icons that were recently updated. Messages tells you when your message has been sent, received, and read through the icons next to your message:...
https://support.google.com/messages/thread/206241765/update-new-read-receipt-icons?hl=en
How do I turn on the notification that shows if my message was read or ...
...How do I turn on the notification that shows if my message was read or not How do I turn on the notification that shows if my message...
https://support.google.com/messages/thread/205611246/how-do-i-turn-on-the-notification-that-shows-if-my-message-was-read-or-not?hl=en
How do I see my messages being read? - Google Pixel Community
...How do I see my messages being read? I understand the single check mark, double check mark, filled check marks mechanics. My issue is that my messages check marks don't get filled when they are read. The only way I know if the other person has seen my message is if I get a response and even then my messages check marks don't get filled....
https://support.google.com/pixelphone/thread/282989184/how-do-i-see-my-messages-being-read?hl=en