HLD/System Design Interview Prep - Confused by YouTube Solutions, Need a Structured Approach

Hi everyone, I'm preparing for backend interviews and focusing on High-Level Design. I've been watching a lot of videos, but I'm a bit confused. For the same problem, different channels propose entire

Hi everyone, I'm preparing for backend interviews and focusing on High-Level Design. I've been watching a lot of videos, but I'm a bit confused. For the same problem, different channels propose entirely different solutions. I'm struggling to understand what a "correct" solution looks like. Any guidance on how to approach this in a more structured manner would be incredibly helpful. Specifically, I'm looking for advice on: * What a "correct" HLD solution really is. * The key building blocks to master. * A step-by-step framework for solving any design problem.. Thanks in advance for any insights!