This image shows the Network page in the Compute Classic Service Console.
There are tabs on the top for Instances, Network (selected), Storage, Orchestration, and Images.

The Shared Network > Security Applications drop-down menu is collapsed.

There is a Summary area with metrics.
There are buttons for Category: All and Show: All.
 
There is a button for Create Security Application, which is surrounded by a red border.
The grid has 3 rows, and columns for Name, Port Type, and Port Range/ICMP Type.