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Forcing the Collection concept onto an application that wants to process unrelated , single documents is an unnecessary burden as well as causing naming problems and other inefficiencies . “ We find that it ’ s not because they are not capable ; math and science are ancient concepts among Alaska natives . Thus what South African leaders and scholars are reintroducing this concept within an Africa that is free of colonialism and apartheid . The second of these two chapters , by R. H. Tschudy , is devoted to a summary of the major concepts around which pollen analytical interpretations are based . The Provincial Government has developed a broad concept on the future direction envisaged for the Province .