what 'A' is known as an idiot board?

The term "A" in question actually refers to the word or concept that is known as an idiot board. In this case, an "idiot board" is a term commonly used in the entertainment industry for a small board or cue cards held by a television presenter or an actor to help them remember their lines or key information during a performance.

To find out what "A" is specifically known as an idiot board, we need to search for synonyms or alternative names for an idiot board. One way to do this is by using an online search engine and entering relevant keywords such as "synonyms for idiot board" or "alternative names for cue cards." This will generate various results and resources providing different names and terms related to the concept.

By reviewing these sources, you will likely come across the specific term or name for the idiot board that starts with the letter "A." It could be a specific slang term, jargon used within a particular industry, or a lesser-known name. Exploring different sources and references will help you find the answer you are looking for.