Structural Design Patterns in Modern C++ - Bridge Intent and Implementation Overview

The video tutorial explains the concept of abstraction using shapes as examples, highlighting the challenges of class explosion when adding hardware rendering. It introduces the Bridge design pattern as a solution, allowing abstraction and implementation to vary independently. The handle body pattern is also discussed, emphasizing the separation of abstraction and implementation into different hierarchies. The tutorial concludes with a detailed explanation of the Bridge pattern's structure and implementation.

What does the term 'handle body' refer to in the Bridge design pattern?

Describe how the abstraction and implementation can vary independently in the Bridge design pattern.