Audience reach refers to the total number of people or households exposed to a particular advertisement or media content. It is a crucial metric in advertising and marketing to determine the effectiveness and impact of a campaign. Reach can be measured in terms of impressions and frequency, with the goal of reaching as many unique individuals within a target audience as possible. In the context of television, reach is often expressed as the number or percentage of viewers who watched a specific channel for a certain amount of time. In digital marketing, reach extends to social media, paid advertising, website content, and sponsored content, aiming to target unique individuals who have seen the content. Ultimately, audience reach is about maximizing exposure to a specific audience in order to achieve marketing objectives and drive engagement.