In order to achieve different objectives of firms the modern day management has to make decisions under various constraints. What are these constraints

Some of the successful companies (e.g. Ford, Toyota, Google etc) organize their production and operations functions around ten critical decision areas in operations. These areas are: Goods and services designQuality ManagementProcess and Capacity DesignLocationLayout DesignHuman Resources and Job DesignSupply Chain ManagementInventorySchedulingMaintenanceConsider a business (goods or services business) you are familiar with or search one online. Consider their operations function. Write a paragraph (5-8 sentences) on each of the 10 areas above on their operations function

Can we think of these three as in a hierarchy?  Strategic Tactical Operational

The three-sphere systems management model is summarised here. Alternatives to textbook illustrations?