The act of paying attention to a conversation or speech; listening.
The audience that listens to a certain form or genre of audio material (specifically (Internet, radio), an audio broadcast such as a radio program or a podcast).
An exchange of views during a discussion.
The bodily process of breathing; the inhalation of air to provide oxygen, and the exhalation of spent air to remove carbon dioxide.
The mechanical system used to assist breathing.
The replacement of stale or noxious air with fresh.
The public exposure of an issue or topic.
The mechanical system used to circulate and replace air.