Digital business leaders struggle to identify which technology solutions will solve their business problems. Vendors’ marketing messaging and a lack of standardization in the market amplify the challenge. Although there are standard market categories for tech, there have been no universal rules for the functions each category provides — until now. This report outlines Forrester’s Function-First Tech Buying Framework, which creates standards for the functionality included in each tech market category, and shows how to apply it to commerce search and product discovery solutions.