The listing of an airport as open to the public in this directory merely indicates the airport operator's willingness to accommodate transient aircraft, and does not represent that the airport conforms with any Federal or local standards, or that it has been approved for use on the part of the general public.
The Calpulli. After the family, the basic unit of ancient Aztec government was the calpulli. Families didn't individually own land, the land was owned by a group of families, the calpulli. This structure of local government existed long before the Aztec empire. The leadership in the calpulli would be responsible for the basic needs of the group.
Hierarchical leadership employs a top-down, pyramid-shaped structure with a narrow center of power that trickles down to widening bases of subordinate levels. Nonhierarchical leadership flattens the pyramid to form a structure with decentralized authority and fewer levels. Effective organizational design applies the structure that's likely to be most effective in helping the organization achieve its mission.