Four key metrics are essential for assessing a brand's visibility in AI: mention, citation, description, and source map. The mention indicates whether a brand is named, but on its own is insufficient. Citation tracks if the response links back to the brand’s site, while description captures accuracy in key details, which can significantly affect consumer decisions. The source map identifies the external pages influencing the AI's response. Consistent questioning is crucial for trend analysis, and results should not be averaged across platforms, as visibility varies significantly. Effective measurement requires only a stable question list and disciplined data recording.