Used as your File Storage. Below are the feature that you can use with your Google Drive.
Google Docs
Make online Documents
Google Sheets
Make online Sheets like MS Excel
Google Slides
Make online presentations.
Used as a note taking app. This is where you make notes and reminders.
Used as an online Calendar where you can schedule appointments for a specific time and date.
Used as a communications app where you can make a room for meetings, events, etc. You can schedule a Google Meet via Google Calendar.