When expanding the explanation of how a product or service will benefit the audience, what step of the AIDA plan is being developed?

Desire

Explanation:

AIDA model is considered to be one of the most famous and widely used marketing model in the marketing industry. The full form of AIDA is Attention, Interest, Desire and Action. Every customers goes through the AIDA model when they buys a product.

The AIDA model uses the concept of "desire" to influence the customer to purchase a product that will benefit the customer or the audience.