What does a well-defined planning view allow regarding user interaction with planning objects?

A well-defined planning view enables users to interact with planning objects flexibly, which includes the ability to add or delete planning objects, especially after applying filters. This aspect of user interaction is crucial in a dynamic environment where planning needs to adapt based on real-time data or specific criteria selected by the user.

When users apply filters, they often want to customize their view or refine the planning process by adding new objects or removing those that are no longer relevant. This interactive feature allows for a more tailored planning experience, encouraging proactive management of planning scenarios and facilitating better decision-making.

The other options reflect limitations on user interaction that do not align with the purpose of a well-defined planning view. For example, restricting users to only viewing data without the capability to edit or adapt it would diminish the effectiveness of the planning tool. Similarly, mandating that users refresh their views periodically would impede real-time interaction, and enforcing sharing without modification would limit collaboration and responsiveness within teams. Hence, the ability to add or delete planning objects after applying filters is what distinguishes an effective planning view in SAP IBP.