Questions about example sentences with, and the definition and usage of "Doorbell"

A: The person at the door is named Hello. (His full name is Helmut "Hello" Silberberg.)

A: Oh, then I think he meant to say that the criminal wasn't just going to enter the restaurant normally and politely ring the doorbell. I'm assuming "He'd need to be mad." further emphasizes how unlikely it is that he'll just ring the doorbell and enter, as in "He'd need to be mad to ring the doorbell." I'm not 100% sure though ^^;

A: :-*

A: Doorbell is a device installed that contains mechanism for ringing. While ring is the sound made when clicking the doorbell

For example, They installed a new doorbell for their house that rings with the sound of chirping birds

A: buzzers aren’t near your door you use buzzer to be identified before you’re let in

A: They are the same.

A: There's no difference.

A: Thaaanks!! I really appreciate it.

A: "She heard THE doorbell ring."

"I wanted Marie to understand me." Good

"He had me sign the contract." Good

"I smelled something burnING in the kitchen"

"The boy is too young to drive." Good

"I was too young to see the movie."

A:

I personally would say one of these

Could you please see who’s at the door?
Could you please answer the door?
Could you please get the door?

In an apartment I’d only say “please open the door” if I’m expecting someone and I know for sure it’s them.

A: “Can you ring the doorbell?” is much more natural

A: "I just herd the doorbell ring, but when I went to open the door I didn't find anyone. I think it may have been our neighbors son, he probably rang the bell and bolted."

A: It would sound more natural if you removed "who came". "It was Rocky" is enough, it's implied that Rocky is at the door.

A: When the doorbell rang this morning, we didn't want to answer it because we had just woken up and still weren't ready.
(Here ready implies dressed and showered)