Yes.
The person that gave you that message can not answer it themselves, but they have sent (forwarded) your message to someone that can help.
A phone call because it is a voice so people can prove it was you wheras somebody else could have sent a text message from your phone.
because the message was no sent.
An address message is a message sent forward which contains address information, signalling information required to route and connect a call, service class information, information relating to user and network facilities, and call-originator identity.
Ooh, so close. Now we have to guess what the message was sent through. A message sent through a telegraph is a wire. A message sent through a chat room or a blog is a post. A message sent through a letter is mail.
Regardless of how or why you sent a text message, once it is sent from your phone it is billed as a sent text message.
No, you can't. Once a message is sent, it can't be unsent.
Most email clients (programs that present and handle emails) call the files that are sent along with the message; attachments
Tweets. Private messages are called Direct Messages or DM for short.
It means that you have sent the message. The receiving person will get the message shortly after the notification has been displayed.
A message sent to express gratitude is a thank-you note.