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.
A settlement is a place where people live. They are all different sizes: hamlets are are tiny settlements - they are just a collection of houses, perhaps centered around a few farms and maybe without even a shop;