Why is Disks important in Laravel applications, and what problem does it solve for developers?

Why is Disks important in Laravel applications, and what problem does it solve for developers? The key reason to understand disks is that Laravel applications are usually composed of several layers that must work together predictably. Storage disks describe where files are stored and how the filesystem adapter should access them. Ignoring that boundary can lead to duplicated logic, poor security, unnecessary database work, or code that is difficult to test. Why it matters in practice: Laravel's filesystem abstraction provides a consistent API for local and cloud-backed storage disks. The specific focus here is disks: Storage disks describe where files are stored and how the filesystem adapter should access them. This question is designed to test not only terminology, but also how the concept fits into Laravel's request, application, database, security, or deployment workflow.