agency; intermediary; distributor
Refers to a person or business that acts as a go-between, agent, or distributor for goods, services, or information.
That company acts as an agent for overseas manufacturers.
answering on someone's behalf; ushering in
Used for receiving visitors, answering the door or phone, and announcing or showing someone in, typically in a business or formal setting.
Please announce the visitor at the reception desk.
passing on a message; relaying
Conveying a message, request, or information from one party to another; often used in office or service contexts.
I asked them to pass on a message to the department head.
This company acts as a distributor for overseas goods.
The receptionist's job is to receive and announce visitors.
I asked my secretary to relay the phone call for me.