Final answer:
In Agile frameworks like SAFe, epics require an Epic Owner and a Lean Business Case. The Lean Business Case provides the financial justification for the epic, whereas the Epic Owner manages its implementation.
Step-by-step explanation:
To answer the question, epics in the context of Agile frameworks, particularly the Scaled Agile Framework (SAFe), require not only an Epic Owner but also a Lean Business Case. The Lean Business Case is essential as it provides a cost-benefit analysis, helping to determine if the epic is economically feasible. An Epic Owner is tasked with the coordination and functional aspects of the epic, but it's the Lean Business Case that justifies the investment and outlines the financial implications.
The other options provided such as the Economic Framework, a Definition of Done, and Solution Intent, while important elements of SAFe, do not specifically pair with an Epic Owner in defining or managing an epic.