Those to whom you speak or write are your:

The term "audience" refers to the group of people who receive your communication, whether in spoken or written form. This concept encompasses all individuals who listen to a speech, read a document, or engage in any form of communication. Understanding your audience is crucial in effective communication, as it allows the speaker or writer to tailor their message appropriately based on the interests, expectations, and knowledge levels of the audience members. This ensures that the information shared resonates with them and is understood clearly.

In contrast, cohorts typically refer to people who share a common characteristic or experience, often in a research or academic setting. Colleagues specifically denote individuals working together in the same organization or profession, emphasizing a workplace relationship. Participants are usually those who take part in a specific event or activity, which may or may not include interactions beyond that context. Thus, "audience" is the most accurate term to describe those receiving the information in a communication scenario.