👉 In computer science and software engineering, a redefinition is an operation that completely or partially changes the meaning of a program. It can be defined as: 1. A change in the definition of a variable, function, method, class, etc. 2. The use of a new name for the same variable, function, method, etc., without changing its value. For example: ```bash # Changing the meaning of a variable let x = 5; x += 10;