A Practice Note providing a broad overview of the supply chain. This Note covers what supply chains are, including common supply chain activities such as planning, procurement, manufacturing, inventory management, logistics, transportation, distribution, and reverse logistics and returns. This Note also gives an overview of the four main types of participants in supply chains: manufacturing-related participants, logistics-related participants, sales-related participants, and supporting participants. Additionally, this Note provides important information about the roles counsel plays in supporting supply chains.