This document discusses SAP ABAP Test Seams, a technique for unit testing code with external dependencies. It introduces Moose2Model, a tool that generates circuit diagrams from code to help developers understand software structure. The document recommends Test Seams as they allow testing to be added more easily and separated from production code with minimal risk. Moose2Model is presented as an automation tool that can create and update diagrams fast, reducing cognitive load during coding.