When you convert a set of DSC configuration blocks into a reusable DSC composite resource, you abstract the complexity of configuration that targets nodes or pieces of software and improves the manageability of your configuration scripts.
If this sounds confusing, it's because it is confusing to explain without an example to look at. If you look at the DSC configuration script in Defining a DSC configuration script file section of this chapter, you will see several DSC resources being used to declare the desired state of a target node. We split them into two node blocks because only some of the target nodes should have ExampleSoftware installed on them and all of them should have .NET installed, a specific ...
