Create an engaging Black Friday promotional graphic in a 16:9 format that effectively communicates urgency and excitement. The graphic should feature 'BLACK FRIDAY' prominently at the center in a bold sans serif font, rendered in a bright white color to contrast sharply against a dark, grungy textured background. At the top of the graphic, include the website URL in a smaller size, also in white, ensuring it is visible but secondary to the main message. Below the central text, emphasize 'UP TO 70% OFF' in a bold, outlined style, using a vibrant orange that draws attention and highlights the significant discount. At the bottom of the graphic, incorporate a vibrant red banner that boldly states 'FREE SHIPPING,' making it a focal point of the design. The dark, grungy background should evoke a sense of urgency, enhancing the overall excitement of the promotional message. Additionally, include placeholder text for product descriptions underneath the main promotional elements, styled in a smaller size to maintain clarity without overwhelming the design. The overall aesthetic should be modern and impactful, ensuring that the promotional message resonates with potential customers and encourages them to take action.