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A store (from Latin spicarium ' grain store ', from spica ' ear of corn '), depending on the context also called warehouse , depot , filing , buffer , supply or reserve , is a place or a facility for storing material or immaterial ( data storage ) objects .


Storage tanks can be of natural origin or man-made.

In most cases, people are stored for a limited period of time with the intention or at least the option of removing what has been stored for use at a later point in time. Such often intermediate storage, buffer or storage memory designated serve to compensate for timing differences between inflow / supply and drainage / demand.

Storage for an indefinite or permanent period is less common. For such storage, the term (final) storage or storage is more common.

Theoretical foundations

The stored amount and thus the filling level of the storage tank results mathematically as a time integral over the difference between the inflow rate and the outflow rate in the time interval

If the storage capacity (i.e. the maximum possible fill level) is exceeded, an overflow may occur.

A memory is an important element in control engineering . It can be used for smoothing. In a system with several storage tanks of the same type, vibrations can occur.

Types of storage

Storage for matter

Storage for energy

Storage for information and other intangible goods


Web links

Wiktionary: memory  - explanations of meanings, word origins, synonyms, translations
Wiktionary: save  - explanations of meanings, word origins, synonyms, translations