A striped shirt shows narrow paler and darker lines around the neck and visible sleeve endings. The red tie creates a larger quieter area in front. Blue jacket and trousers frame the combination, with a smaller reddish patterned pocket accent at one side. One hand carries a dark bag and the other sits nearer the trouser area. Dark lace-up shoes appear in the complete view. The picture establishes no professional role or particular occasion for the wearer, so derive your actual context independently of its styling.
Compare shirt stripes with your plain solid shirt beneath the same actual jacket first. Would you like this division around the neck, or is the tie enough as a separate surface? Add one tie after the initial comparison. You need not copy every other pattern in the picture to make that choice specific.
Inspect the sleeve edge with hands free and carry your actual bag afterwards. Check which shirt areas remain visible in that posture. Choose the pocket square last. The reference supports a specific structured-shirt decision without establishing fabric composition, universal collar width or a compulsory amount of accessories.