Placement of Dashboard and sub category tabs in UI

1. What are dashboard tabs?
2. What are navigation tabs?
3. Was one of the first sites to use tab dividers for navigation?

What are dashboard tabs?

The Dashboard tab is a workspace environment that provides summary and detailed information on events occurring in your network. The Dashboard tab supports multiple dashboards where you can display your views of network security, activity, or data that QRadar® collects.

What are navigation tabs?

Navigation tabs are derived from the idea of folders in a file-cabinet and are thus familiar to the end user. Navigation tabs provide a clear visual indication of what content can be found on a website and places the current location in context by highlighting it.

Was one of the first sites to use tab dividers for navigation?

With the emergence of web sites, tabs started being used for navigation purposes. This technique was first popularized by Amazon in 1998.