The document discusses the concept of omnichannel retailing, emphasizing its importance in providing a seamless customer experience across various sales channels, including online and in-store. It compares omnichannel with multichannel approaches, highlighting the necessity for a consistent brand identity and customer view across all touchpoints. Additionally, it outlines the steps for developing an omnichannel strategy, including systems architecture and data analytics, particularly in relation to the Magento 2 platform.