Term Kind Topic What it is
Capacity Lead Time Provisioning Lead Time concept Capacity Modelling The delay between deciding capacity is needed and having it available, which determines whether a capacity model can forecast at all or must instead buy optionality.
Capacity Modelling practice Capacity Modelling Predicting the resources a workload will need, from measured unit costs and a demand forecast, with deliberate headroom.
Demand Forecasting practice Capacity Modelling Projecting future load from historical trends, business plans and known events, and translating it into resource requirements with explicit lead times.