Explore the intricacies of Abstract Syntax Tree (AST) representation on the heap through the creation of numerous helper classes in this comprehensive video lecture. Delve into the fundamental concepts and techniques used in operating system development, gaining valuable insights into AST implementation and memory management. Learn how to design and implement efficient data structures that form the backbone of compiler and interpreter systems. Enhance your understanding of low-level programming and system architecture as you follow along with the step-by-step process of building these essential components for a custom operating system.