From the Book - 3rd edition.
Understanding Chrome OS, Chromebooks and cloud computing
Getting to know your Chromebook
Using Chrome OS and the Chrome desktop
Configuring and personalizing Chrome OS
Managing files and using external storage
Using Google Drive to store and share files
Browsing and searching the web
Using Chrome apps and extensions
Viewing and editing photos
Viewing movies, TV shows and other streaming video
Word processing with Google Docs
Spreadsheets with Google Sheets
Presentations with Google Slides
Printing with Google Cloud Print
Optimizing and troubleshooting your Chromebook
Google Chrome keyboard shortcut.