In the documentation, the different drop target (area) of a view are used.
The below picture shows what means:
This picture shows the layout of a graph view but the designation of the drop target is the same for all other views.
To manage the number of slide, you can use the following configuration tag in the file Instanceconfig.xml.
<Charts>
<SectionSliderDefault>5</SectionSliderDefault>
<SectionSliderLimit>100</SectionSliderLimit>
</Charts>