In an ASP.NET Core project, the "bin" folder is specifically designated for storing the compiled output of the application. This folder contains the executable files, libraries, and other artifacts generated during the build process. It's essential for running and deploying the application successfully.

The DbSet property in a DbContext represents a collection of entity objects for a specific entity type. It acts as a DbSet that allows you to query, insert, update, and delete records of that entity type in the corresponding database table. It provides a convenient way to work with entities as if they were in-memory objects while abstracting the underlying database operations.

In ASP.NET Core Identity, you create a user with the 'CreateAsync' method. Afterward, you can use the 'AddClaimsAsync' method to associate claims with the user. Claims are often used to store user-specific information or permissions.

When a controller returns a webpage in ASP.NET Core MVC, it typically uses a ViewResult. A ViewResult represents an HTML page that is rendered to the client. It's commonly used to generate HTML views for web applications.

In ASP.NET Core Identity, developers typically create a custom class, often named "ApplicationUser," which inherits from the built-in IdentityUser class. This custom class is used to add additional properties to the user model, such as user-specific data that your application requires beyond the default user attributes.

Visual Studio Code (VS Code) is a lightweight, extensible code editor that's well-suited for ASP.NET Core development. It supports Git integration, debugging, and offers a wide range of extensions, making it an ideal choice for developers looking for a versatile and customizable development environment.

A "terminal" middleware is typically used to modify the HTTP response just before it's sent to the client. This is often used for tasks like adding custom headers, compressing content, or performing other response-related tasks. Terminal middleware allows you to make final adjustments to the response before it leaves the application, making it a key component for response customization.

One of the standout features of ASP.NET Core is its cross-platform support. Unlike traditional ASP.NET, which was primarily designed for Windows-based development, ASP.NET Core is cross-platform and can run on Windows, macOS, and Linux. This flexibility is a key differentiator and allows developers to target a broader range of platforms.

The UseDeveloperExceptionPage middleware in ASP.NET Core provides a default way to handle exceptions during development. It displays detailed error information, including stack traces, to assist developers in identifying and fixing issues during the development phase. It should be used cautiously and only in development environments.

To dynamically choose a Razor view based on runtime conditions, you can use Razor Views with Resource Files. These resource files can store localized versions of your views, and you can switch between them based on the user's language preference.

When you need to create custom constraints for routing in ASP.NET Core, you should implement the IRouteConstraint interface. This interface allows you to define your custom logic to determine if a route is a match or not, providing flexibility in routing scenarios.

To pass both product details and a list of related reviews to a view, it's best to use a ViewModel. A ViewModel is a dedicated class that combines the necessary data for a view. This approach keeps your code clean, maintainable, and allows for strong typing in your view.