How can I edit the applications in What are our cloud focus areas?

Go to What are our cloud focus areas? > Focus Area by Portfolio Analysis.
Click the edit button to open the Applications data workbench.
Edit an application directly in the data workbench or select an application and click the navigate button to open it's content area

Use the features of the data workbench to slice-and-dice your data to focus on data and do the analyses you are interested in:

Click Structure and add or remove columns to the data table. For example, include the Cloud Migration Strategy attribute as well as the cloud readiness and cloud relevance indicators. A tooltip explains the purpose of each attribute, indicator, and role that you can add.
Click Visualize to view the data in a different graphic visualization. You can save these visualizations to your content repository and used them in other content area pages.