Government owned and operated infrastructure may be developed and operated in the private sector or in public-private partnerships, in addition to in the public sector. As of 2008 in the United States for example, public spending on infrastructure has varied between 2.3% and 3.6% of GDP since 1950.
Definition of outpost for English Language Learners. : a large military camp that is in another country or that is far from a country's center of activity.
Written By: Caravansary, also spelled caravanserai, in the Middle East and parts of North Africa and Central Asia, a public building used for sheltering caravans and other travelers. The caravansary is usually constructed outside the walls of a town or village. The structure is quadrangular in form and is enclosed by a massive wall that has small windows near the top and only a few narrow air holes near the bottom.