Life Cycle Hld Lld | Sdlc: - Software Development

LLD provides the detailed "how" of the system, acting as a direct guide for developers to write code.

: Overall system architecture, technology stack, and major modules (e.g., Database, UI, Security).

: Designing a chat app's HLD involves defining the Messaging Service, User Database, and Notification System. Low-Level Design (LLD): The Micro View

HLD serves as the architectural roadmap, defining "what" the system will do and how its major parts connect.