On Chromebooks, there are a few gestures on the touchpad that you can use to better use your Chromebook.
Drag and Drop: Using one finger, click and hold the item you want to move. Drag the item to its new spot, then release your finger.
Right-Click: With 2 fingers, press or tap the touchpad. You can also press Alt, then click with 1 finger.
Move Between Pages in Chrome: To go back to a page you were just on, swipe left with 2 fingers. If you need to go back, swipe right with 2 fingers.
See All Open Windows: Swipe up or down with 3 fingers.
Open a Link in a New Tab: Point to the link, then tap or click the touchpad with 3 fingers.
Switch Between Tabs: If you have multiple browser tabs open, swipe left and right with 3 fingers.
Close a Tab: Point to the tab, then tap or click the touchpad with 3 fingers.