The summarized points are: Slide 1: Introduction to Xrefs in AutoCAD. Slide 2: What is an Xref and how it works. Slide 3: Preparation before you attach an Xref. Slide 4: Detailed steps for using an Xref. Slide 5: Why use an Xref for team collaboration. Slide 6: Xref versus Copy. Slide 7: Managing Xref layers effectively. Send in simple terms and basics in xref not master and send minimum 10 slides