Compact Explained

Compact as used in politics may refer broadly to a pact or treaty; in more specific cases it may refer to:

Interstate compact, a type of agreement used by U.S. states
Blood compact, an ancient ritual of the Philippines
Compact government, a type of colonial rule utilized in British North America
Compact of Free Association whereby the sovereign states of the Federated States of Micronesia, the Republic of the Marshall Islands and the Republic of Palau have entered into as associated states with the United States.
Mayflower Compact, the first governing document of Plymouth Colony
United Nations Global Compact
Global Compact for Migration, a UN non-binding intergovernmental agreement

Mathematics

Compact element, those elements of a partially ordered set that cannot be subsumed by a supremum of any directed set that does not already contain them
Compact operator, a linear operator that takes bounded subsets to relatively compact subsets, in functional analysis
Compact space, a topological space such that every open cover has a finite subcover
Quasi-compact morphism, a morphism of schemes for which the inverse image of any quasi-compact open set is again quasi-compact

Compact (American magazine), a U.S.-based online magazine
Compact (German magazine), a far-right German magazine
Compact (newspaper), a broadsheet-quality newspaper printed in a tabloid format

Compact car, a classification of automobile size
- Compact sport utility vehicle
Compact (cosmetics), a case containing one or more of the following, a mirror, pressed powder, and/or a powder puff
Compact disc
Compact Software, a technology company founded in 1973
Compact (TV series), a 1960s British soap opera
Compact star, also called a compact object, a degenerate star like a neutron star