This book discusses strategy and understanding of marketing, marketing communications, and digital marketing. In understanding marketing in today's digital era, it is only natural that the marketing of a business can utilize the internet as a marketing medium. Not only promotional media but marketing as a whole, including maintaining and caring for consumer loyalty. So this book discusses 3 things about the substance of marketing in the digital era, namely:1. Marketing2. Digital Marketing3. Marketing CommunicationThis book teaches how to understand marketing in a true sense not just to increase sales but how to develop loyalty and build a massive and widespread positioning of a product or business using the internet.