Modern architectural design, software engineering, PPT presentation, Pressman's approach, detailed diagrams, colorful icons, clean white background, minimalistic, 3D boxes, interconnected nodes, arrows indicating data flow, UML notation, class diagrams, use case diagrams, component diagrams, deployment diagrams, sequence diagrams, state machine diagrams, activity diagrams, colorful sticky notes, wooden desk, office environment, natural light, morning atmosphere, coffee cup on the side, laptop screen reflecting the presentation.