Digital business leaders struggle to identify which tech 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. Digital leaders should read this report to guide strategic decisions around tech buying and evolution over time.