1. Explain the front end architecture of the whatsapp? How will you structure its api, classes, data structure and rendering part? 2. Explain the front end architecture of the trello? How will you structure its api, classes, data structure and rendering part? 3. Explain the front end architecture of the event schedular? How will you structure its api, classes, data structure and rendering part? 4. Explain the front end architecture of the google word? How will you structure its api, classes, data structure and rendering part? 5. Explain the front end architecture of the google word? How will you structure its api, classes, data structure and rendering part? 6. Explain the front end architecture of the google sheets? How will you structure its api, classes, data structure and rendering part?