====== Decompositions ======
The output of a software clustering algorithm is either flat decompositions or nested decompositions of software systems. 

====== Flat ======

A //flat decomposition// does not contain nested clusters. There is one level of clusters and one level of entities. An example of flat decomposition is shown below. 

{{:protected:flat_decomposition.png|}}

====== Nested ======
A //nested decomposition// is a decomposition that may contain nested clusters. An example of a nested decomposition is shown below.

{{:protected:nested_decomposition.png|}}