Why do you open a friend's circle of friends with only the avatar name and personality signature, and then a straight line?

1. The other party "deletes" friends, and sets privacy when deleting friends: I-Settings-Privacy-Turn off "Allow strangers to view ten photos", and open the other party's "Personal Album", only to see a horizontal line under the other party's avatar and nickname. If the other person "allows strangers to view ten photos", the friend can view up to ten photos in the other person's personal album.

2. When a friend sends a message to the other party, if the other party turns on "Add me as a friend and need verification", a red warning symbol will appear on the left side of the message, "So-and-so has turned on friend verification, and you are not his or her friend. Please send a friend verification request first, and you can chat after the other party has passed the verification. " Prompt words. If you want to add the other person as a friend, you can click the six blue words "Send Friend Verification" at the back, then enter the verification information in the input box, and press "Send" to wait for the other person to accept the verification request. Friends can also enter what they want to say to them in the input box.

3. If the other party turns off "Add me as a friend and need verification", friends can send messages to the other party through the contact list, and the other party can receive friends' messages, and the other party can also reply to friends' messages. At the same time, if the other party chooses "Add", both parties are friends. If the other person doesn't choose "Add", they are not friends. Because there are no friends in the other party's contact list, if the other party deletes the chat record,