When you need to add a little more to a text message, you can send a multimedia message (MMS) with pictures, voice recordings, audio or video files.
Group messaging makes it easy to send a message to multiple contacts all at once. You can choose to send a group SMS or group MMS.
Block unwanted messages and keep your Messages screen clean.
Press and hold a contact (or phone number) to select it, and then tap
Tap the conversation thread with a contact (or phone number), press and hold the message to select it, and then tap