What is Before middleware logic in Laravel, and what role does it play in a real application?

What is Before middleware logic in Laravel, and what role does it play in a real application? In Laravel, before middleware logic should be understood as part of a larger application architecture rather than as an isolated API call. Middleware can inspect an incoming request and decide whether it should continue to the next application layer. A strong understanding includes its purpose, the layer where it belongs, the data or request flow it affects, and the situations where another mechanism may be more appropriate. Practical context: Middleware inspects or modifies HTTP requests and responses and is commonly used for authentication, authorization, rate limiting, logging and request-level policy. The specific focus here is before middleware logic: Middleware can inspect an incoming request and decide whether it should continue to the next application layer. 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.