This report provides an overview of digital marketing and its application in communication strategies. It defines digital marketing and digital communication strategies, emphasizing the use of social media, email marketing, and content marketing to attract customers. The report then analyzes case studies of Tesco and Sainsbury, illustrating how they leverage digital marketing within their promotional aspects of the marketing mix to target specific customer segments, communicate brand messages, and achieve business objectives. It highlights the importance of promotional mix and effective social media utilization, concluding that effective digital marketing is essential for business success by improving consumer attraction and motivation. The report includes references to relevant academic sources.