Service-oriented architecture, contrast with microservices, businessman, 30s, formal attire, briefcase, standing, office building, cityscape, daytime, clear sky, subtle facial expression, glasses, short hair, suit and tie, holding a tablet, comparing two diagrams, whiteboard, markers, modern interior design, wooden furniture, floor-to-ceiling windows, natural light, 3/4 composition, soft focus on the background, cinematic lighting.