The nature of the Omniverse is beyond Spatial-Temporal Understanding on many levels. The sheer scale of its existence itself is beyond imagination. It also operates on levels that often seem contradictory or conflictual.
Demand planning refers to the process of forecasting consumer demand for a company's products or services well into the future, sometimes as far into the future as one year.
Statistical forecasting is simply one type of demand planning. Demand planning is generally used interchange-ably with the term forecasting, but demand planning is also a child term to forecasting (although in practical usage, it makes sense to use them interchangeably as the domain of the forecasting is assumed).