Campaign group is a group of campaigns inside AdNabu. AdNabu ensures that there is no internal competition between keywords of these campaigns by avoiding duplicate keywords and by intelligently managing negative keywords. Ideally campaigns in a campaign group will share the following characteristics
Lets say a campaign group has one campaign with the search term iphone repair and the user tries creating another campaign in the same campaign group with the same search term. AdNabu will not allow user to create any ad group or keywords in the new campaign as it would violate no duplicates best practice.