Use a 3-Level Information Hierarchy for the 'How It Works' Page for Consumables Subscription-Service Sites

The variety of service options across subscription-service sites can often vary widely from site to site. “How It Works” pages for these sites need to provide users with detailed information on the subscription service basics and any unique features offered by the site. Our large-scale user testing revealed that how information is presented to users matters just as much as what specific information is provided.