Noun

(headquarters)

The military installation from which troops are commanded and orders are issued; the military unit consisting of a commander and his support staff.

The center of an organization's operations or administration.

* {{quote-book, year=2006, author=

, title=Internal Combustion , chapter=1 citation , passage=As though on an incendiary rampage, the fires systematically devoured the contents of Edison's headquarters and facilities.}}

A place of concentrated activity or influence.