An amateur radio operator is someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators on radio frequencies assigned to the amateur radio service.
An amateur radio station is a radio station designed to provide radiocommunications in the amateur radio service for an amateur radio operator.
The calling party (in some contexts called the "A-Number") is a person who (or device that) initiates a telephone call.
The Q code is a standardized collection of three-letter codes all of which start with the letter "Q".
The RST system is used by amateur radio operators, shortwave listeners, and other radio hobbyists to exchange information about the quality of a radio signal being received.
Real life is a phrase used originally in literature to distinguish between actual and fictional or idealized worlds, and in acting to distinguish between performers and the characters they portray.
Slang is language (words, phrases, and usages) of an informal register that members of special groups like teenagers, musicians, or criminals favor (over a standard language) in order to establish group identity, exclude outsiders, or both.