If you want to get a reader's attention you would might like to use a sentence that has purpose or something that can suprise the reader and interest them to read deeper,
like:the ice melts quickly on the river over the warm dry sun...
is that the full question, or a true or false question?
So, I'm pretty sure A/V stands for Audio-Visual Professionals. And, those are mostly required in like a large event center for managing all the audio-visual stuff.
