A person, group, or organization that has a meaning it intends and attempts to share with a receiver or an audience is a

Source

Explanation:

Source, also known as sender in communication is a concept of generating information or data with the intent of communicating or reproducing exact information somewhere else within a short time .

A source can be a person , organization or a group of people and the source information must have a meaning it intends to share with a receiver or an audience. This means that the information must be encoded in a way that makes it easy for the receiver or audience to understand before transmitting the message.

the page presents four different kinds of threats that volcanoes pose and what to do before, during, and after an eruption.

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