A funnel template is a type of diagram that helps to describe a step-by-step process from an input to output.
Funnel diagrams are widely used for many different purposes and in different industries. There are different kind of funnel diagrams, from sales funnels to marketing funnels. For example, purchase or conversion funnels are often used to represents the conversions in an e-commerce website, starting from the visitor visiting a web page, adding a product to the cart, then creating an account and finally making the purchase.