Explanation:

The AIDA Model, which stands for Attention, Interest, Desire, and Action model, is an advertising effect model that identifies the stages that an individual goes through during the process of purchasing a product or service. The AIDA model is commonly used in digital marketing, sales strategies, and public relations campaigns.
The basic AIDA model is one of the longest serving hierarchical models, having been in use for more than a century. Using a hierarchical system, such as AIDA, provides the marketer with a detailed understanding of how target audiences change over time, and provides insights as to which types of advertising messages are likely to be more effective at different junctures. Moving from step to step, the total number of prospects diminishes. This phenomenon is sometimes described as a "purchase funnel". A relatively large number of potential purchasers become aware of a product or brand, then a smaller subset becomes interested, with only a relatively small proportion moving through to the actual purchase. This effect is also known as a "customer funnel", "marketing funnel", or "sales funnel".