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

Why is Chunk important in Laravel applications, and what problem does it solve for developers? The key reason to understand chunk is that Laravel applications are usually composed of several layers that must work together predictably. Chunking processes a large result set in smaller groups. 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 provides pagination and chunking tools for handling large datasets without loading every record into application memory at once. The specific focus here is chunk: Chunking processes a large result set in smaller groups. 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.