As a Microsoft Fabric Analytics Engineer Associate, you are tasked with designing a data analytics solution for a large e-commerce company that operates globally. The company has a wide array of data sources including transactional data from their online platform, customer feedback from various channels, and social media data for sentiment analysis. They need a solution that not only handles large volumes of data efficiently but also provides real-time analytics capabilities and supports advanced data processing techniques like machine learning for personalized recommendations. Additionally, the solution must comply with GDPR and other regional data protection regulations. Which of the following steps is MOST comprehensive in identifying the requirements for this solution? (Choose one)