High level component design and API contract (System Design Twitter like App based on Data Model)

a. Activity diagrams, describing the algorithm of possible actions, happening in the system; b. Functional diagrams of all components (services) describing a structure of the application; c. Sequence diagrams, describing API calls and low-level access; d. Class diagrams for all the services e. YAML file Use of Swagger Editor I can provide the data model and tables, etc. for reference Please connect for more details. There will be continuous tasks for 1 whole month or more