The Chromebook touchpad can be used to move the pointer/cursor, right-click items on the screen, and more! Click on the following link to find out more information on using your Chromebook's touchpad: Using your Chromebook touchpad
Change touchpad settings
To set how fast or slow your mouse pointer moves and how your touchpad works:
If you haven't already, sign in to your Chromebook.
Click the status area, where your account picture appears.
Click Settings.
In the "Device" section, adjust the sliders to set your touchpad or mouse speed (how quickly your pointer moves).
Click Touchpad settings (or Touchpad and mouse settings) to:
Turn tap-to-click on or off
Swap your primary mouse button
Choose traditional scrolling or Australian scrolling
Note: With traditional scrolling, you can swipe up on the touchpad to move up the page, and swipe down to move down. Australian scrolling works in the opposite way.