It also includes Google Docs, Sheets and Slides, where you can edit spreadsheets, forms, presentations, documents, etc. and save them in the cloud.
Google also has apps for these services across all major platforms. You can browse through and perform all file related operations on Google Drive files when you are connected to the internet. Most of the time you don’t even need desktop apps to work on your Google Drive files, there are many apps which you can connect to your Drive.