A Distributed Audience means that the audience you are trying to reach is spread over long distances.
In a concept presentation, you have to give general information as well as try to convince the audience with good arguments and deliver a solution concept.
If there are used images or videos for communication, it is visual communication. Visual Communication is almost used everywhere like on television, posts on social media (Instagram, Facebook), advertisement.
Community events are about bringing people together, creating positive change and making new friends.