Waves are a bigger, better, and more detailed version of the Current dashboards.
You can customize which data you want to see for different sections, see stories and notifications on one big screen. You will also be able to choose how the dashboard looks like and create templates.
To learn more about how to create Waves dashboard click on this link: How to create Waves Dashboard
To learn more about how to share Waves dashboard click on this link: How to share Waves Dashboard