Demand can be segregated into various categories

- Level of demand = can be classified as high or low - Frequency of demand = over a certain period of time  2 patterns slow and fast demand - Patterns of demand = demand here can be described as stable, trend or seasonal - Product life cycle positioning= there are 5 phases in a product life cycle. In each of these phases, demand can take a different form and therefore could have an effect on planning and inventory management - Product classification = product segmentation, rather than spending the same amount of time for planning and managing every single stock keeping Unit (SKU), it is wise to segment the product portfolio into various product categories depending on their percentage turnover.