チャイムchaimu
1.

A set of tuned bells that produce musical tones when struck, often used in musical contexts or as decorative instruments.

2.

A device designed to emit a sound similar to a set of bells, commonly utilized for signaling purposes, such as a doorbell or alarm.

ドアチャイムdoachaimu
1.

A signaling device installed at the entrance of a building that produces a sound to notify occupants of a visitor's arrival.

2.

An electronic or mechanical bell system typically activated by pressing a button, intended to alert those inside a home or establishment that someone is at the door.

3.

A sound-producing apparatus placed at doorways, used to announce the presence of guests or deliveries, facilitating communication without knocking.