Compact

Several specialized usages of the terms compact and compactness exist.

Multiple definitions of the term "compact" are found in mathematics:
- The most common usage relates to topology, where one considers compact spaces. This article also includes the closely related notion of a compact set.
- In order theory and domain theory the different (though not entirely unrelated) notion of a compact element is typically used.
A Compact Flash is a type of data storage device.
Compact car is an automobile size class in the American market.

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