Language is a cornerstone of human culture, shaping our identities, traditions, and ways of thinking. With over 7,000 languages spoken globally, it’s alarming that nearly half are endangered¹. When a language disappears, its speakers lose a vital connection to their heritage and history. The world also loses unique perspectives, cultural knowledge, and valuable insights into human behavior and ways of life.

This guide is intended for people preparing for ML system design interviews. It covers key concepts across common domains like regression, classification, NLP, computer vision, and recommendation/ranking/search systems. It also provides a step-by-step framework one can follow to come up with a end-to-end solution.