# Elements

Develop powerful and lightweight web applications using ASP.NET MVC controls. Learn more about the ComponentOne MVC controls in ASP.NET MVC documentation.

## Content



The TreeMap control is composed of rectangles, representing individual data items, which are grouped into categories, to represent the hierarchical nature of data. The individual data items which make group are known as leaf nodes. The sizes of these nodes are proportional to the data they represent.

The following image exhibits main elements of TreeMap control.<br /><br />![](https://cdn.mescius.io/document-site-files/images/2b3ac322-100e-4637-958d-fb40dcda3f44/images/treemapelements.png)

## See Also

[TreeMap](/componentone/docs/mvc/online-mvc/workwithcontrols/TreeMap)

[Quick Start](/componentone/docs/mvc/online-mvc/workwithcontrols/TreeMap/QuickStartTreeMap)