To explain an idea using the log line format, you need two elements (the order of appearance is interchangeable):
A good log line gives a clear answer to the question of, “What is it all about?” without having to recite the whole movie or novel. Yet it also intrigues us to know much more about…
The best way to explain the agency idea is to use a log line. A log line expresses the essence of a story (usually of a movie or a novel) in one or two simple sentence(s).