Description: Variable scope refers to the context in which a variable is defined and accessible within a program. Variable scope is crucial for understanding how and where variables can be utilized in codebases across various programming languages. There are different types of scope, such as global scope and local scope. Variables defined in a global scope are accessible from anywhere in the code, while local variables can only be accessed within the function or block where they were declared. This concept is fundamental for avoiding name conflicts and efficiently managing memory. Proper handling of variable scope allows developers to write cleaner and more modular code, facilitating collaboration on larger and more complex projects. Understanding variable scope helps developers avoid common errors, such as using undefined variables or accidentally overwriting values, which can lead to unexpected behaviors in the application.