[header] How to use bundles in google inbox [title] Understand what a " bundle " is. [step] Google inbox can sort incoming messages into labels based on what the email is about or who it is from. New messages in a label can then be grouped, or " bundled ", in your inbox. 
When you receive a new message in a bundled label, the bundle will be moved to the top of your inbox. [substeps] Bundles make organizing your incoming messages much simpler, and let you see at a glance what your new messages are about.