A vertical market is a market in which vendors offer goods and services specific to an industry, trade, profession, or another group of customers with specialized needs.

You can define multiple verticals and to keep them organized and help you with reporting you can also create virtual verticals. 

Virtual verticals cannot generate leads themselves.

A vertical can be deleted if it not in use anymore.

A vertical can be unselectable if you don't want it to be used in new campaigns.

For a vertical, you can set the default prices to be used when you create a new campaign