Public communication refers to the act of sharing information with a specific group of people through various tools or methods. It can be done in person, over the phone, by email, or through social media platforms like Facebook and Twitter. Public communication requires a public speaker, an audience, a channel to deliver the message, logistics (optional) to present the message visually and/or audio, and the message itself. The purpose of public communication is to deliver a message, news, or a piece of information that people/audience could learn from. Public communication is used to inform, persuade, build relationships, form connections, and create a network.

Public communication can come in different forms and dimensions, such as signs and semiotics in traffic signs, signs at airports, and many more. Examples of public communication include speeches, presentations, press releases, advertisements, and social media posts.

According to the Federal Elections Commission (FEC), there are many methods of public communications that can be used to share essential information, including broadcast, cable, and satellite television transmissions, newspapers, radio, magazines, mass mailings, telephone calls, text messages, outdoor advertising, and website advertising.

In summary, public communication is the act of sharing information with a specific group of people through various tools or methods. Its purpose is to deliver a message, news, or a piece of information that people/audience could learn from. Public communication can come in different forms and dimensions, and there are many methods of public communications that can be used to share essential information.