So far, you have seen individual Web Parts in action on a SharePoint Site. Configuring these Web Parts can be as simple as placing one on the page and then making minor changes in the configuration, or as complex as specifying behaviors for appearance and function.
What you haven’t seen yet is the interaction between two distinct Web Parts. SharePoint Web Parts can be interconnected, with one Web Part providing values that can be consumed by another. Not all Web Parts have this functionality, and as you have seen, the configuration of a Web Part can be restricted such that connectivity is not allowed.
This section begins with the creation and mild alteration of a wiki page (this activity is covered in