In Revit, what is the primary use of a key schedule?

A key schedule in Revit is primarily used for managing components and materials. It serves as a way to create a simplified way to handle a large number of items that share common properties, allowing users to control the data for various elements like doors, windows, or finishes efficiently. By linking the key schedule to other schedules, users can easily update multiple items at once whenever changes are needed.

For example, consider a project where several door types have similar attributes (like material or hardware). By using a key schedule, you can consolidate these attributes into a centralized table, which simplifies the management of these components and ensures consistency throughout the project. This is particularly useful in large projects where numerous similar elements exist, as it reduces redundancy and enhances organization.

The other options do not align with the primary function of a key schedule. For instance, detailing floor plans involves graphical representation and does not utilize key schedules specifically. Summary schedules, while related to the organization of data, typically provide an overview of multiple schedules rather than an individual management of components. Finally, organizing annotations pertains more to labeling and documentation rather than the managing of components and materials, which is the key focus of a key schedule.