114 articles · 146 case studies · 8 learning paths

System Design English

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System Design
9 min read

How to Explain Scaling from Zero to Millions in English

ESL English learning: how to explain scaling from zero to millions in English — vocabulary, spoken scripts, and interview pitfalls for growth paths. ESL focus.

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System Design
System Design English
9 min

How to Explain Google Drive System Design in English

ESL English learning: how to explain Google Drive system design in English. Sync, chunking, metadata, and consistency language for file-storage interviews.

System Design
System Design English
9 min

How to Explain YouTube System Design in English

ESL English learning: how to explain YouTube system design in English. Upload, transcode, CDN delivery, and what to say about streaming under interview... Calm

System Design
System Design English
9 min

Think Out Loud: Search Autocomplete in English

ESL English learning: think out loud for search autocomplete in English — trie vs cache, prefix load, and how to say the latency budget while you draw. Calm

System Design
System Design English
9 min

Chat System Interview Phrases in English (ESL)

ESL English learning: chat system interview phrases in English. WebSocket vs polling, presence, delivery states, and message-order language you can reuse. Calm

System Design
System Design English
9 min

How to Explain a News Feed in English

ESL English learning: how to explain a news feed in English — fan-out on write vs read, ranking, caching, and the one trade-off sentence interviewers want.

System Design
System Design English
9 min

How to Narrate a Web Crawler in English

ESL English learning: how to narrate a web crawler in English — politeness, URL frontier, parsing, and how to speak the pipeline step by step. Practise aloud.

System Design
System Design English
9 min

URL Shortener Interview Phrases in English (ESL)

ESL English learning: URL shortener interview phrases in English. Base62, 301 vs 302, and a read-heavy walkthrough you can speak without freezing. ESL focus.

System Design
System Design English
9 min

How to Explain a Unique ID Generator in English

ESL English learning: how to explain a unique ID generator in English — Snowflake, clock skew, and the spoken phrases interviewers expect to hear. ESL focus.

System Design
System Design English
9 min

Consistent Hashing Interview Vocabulary in English

ESL English learning: consistent hashing interview vocabulary in English — virtual nodes, hot keys, and what to say while you draw the ring. Practise aloud.

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