Cloud delivery models such as X as a service and X as a platform are changing how financial services firms deliver value to their customers, enabling them to source capabilities from multiple providers as they weave together complex customer journeys. The same models also enable banks to explore new distribution opportunities and business models. This is complex territory, with a plethora of terms that are often used interchangeably. In this report, we lay out Forrester’s model for cloud within financial services, defining the various terms, key attributes, and how they interrelate to help technology and business executives in banks navigate this landscape.