Link : https://leetcode.com/discuss/career/229177/My-System-Design-Template [@Topcat]
Another inspiration to revise : https://levelup.gitconnected.com/system-design-master-template-how-to-answer-any-system-design-interview-question-ee5dc332acd5
(1) FEATURE EXPECTATIONS [5 min]
(1) Use cases
(2) Scenarios that will not be covered
(3) Who will use
(4) How many will use