work done by one person or group that benefits another
an act of help or assistance
the act of public worship following prescribed rules
a company or agency that performs a public service; subject to government regulation
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
a part of an animal that has a special function or is supplied by a given artery or nerve
a part of a structure having some specific characteristic or function
the extent of a 2-dimensional surface enclosed within a boundary
