The AIDA Model is an individual's cognitive steps to buy a product or service. It's a purchasing funnel that all purchasers go to each stage, to support them in making the final purchase.
There are several models on the academic level. However, there are some kind of forms of the AIDA model. Especially, during the digital era AIDA model is one of the best models to support marketing activities.
What are the stages of the AIDA model?
Awareness: building a huge brand awareness or affiliation with your product or service.
Interest: generating particular interest in the benefits of your product or service. This stage creates a sufficient interest to encourage the buyer to move further.
Desire: during this stage of the funnel, you create some 'emotional connection between customers and your brand to sell products and services. You create specific desires in consumers from 'liking' it to 'wanting it'.
Action: This stage is the ultimate step for your audience. Generally, marketers use CTA for promotions. This stage forces buyers to interact with your company and take action by downloading a brochure, making a phone call, joining your newsletter, engaging in live chat, purchasing or ordering the product or service, etc.
You have to understand each stage and specific logic, message, CTA and, etc.
It is highly recommended to use this model in your marketing campaigns. Because it increases the possibility of success as a result of campaigns.