Final answer:
The 'Top ten Features' are the input to the Program Increment Planning process that shows Product Management's plan to meet the Vision by detailing the most important functionalities to be delivered.
Step-by-step explanation:
The input to the Program Increment Planning process that highlights how Product Management plans to accomplish the Vision is b) Top ten Features. These features represent a high-level summary of the most important functionalities or system capabilities that Product Management believes will provide the most value to customers or stakeholders in the upcoming Program Increment (PI). This input is utilized by agile teams to align their delivery efforts with the strategic priorities of the organization and helps ensure that everyone is moving together towards a common goal during the execution of the PI.