Next year marks the 80th anniversary of KENO, the first radio station in Las Vegas.

Since 1940, Las  small business owners have depended on radio advertising to market their goods and services to local consumers.  During the next 12 months, these consumers are expected to spend $39 billion.

By any measure, radio is still the best way to advertise in Las Vegas. Last week, for instance, significantly more consumers tuned-in to a Vegas radio station than watched local TV; read a local newspaper; or logged-on to Pandora and Spotify.

To buy radio advertising effectively, there are some terms every Las Vegas small business owner should know.  Here is a list of helpful definitions.