Software architecture, design patterns, presentation slide, colorful diagrams, flowcharts, UML notation, whiteboard, markers, spotlight, conference room, modern office interior, wooden table, leather chairs, audience, laptop, projector screen, dim lighting, professional attire, mature man, glasses, beard, PowerPoint presentation, detailed notes, coding snippets, Java or C++ code, syntax highlighting, software development, team collaboration, agile methodology, Scrum board, sticky notes, coffee cups, water bottles, minimalistic background.