N'ihi na ndị njikwa, e nwere bụ ọgaranya set nke kọrọ na-egosi na a zuru foto nke mkpọsa arụmọrụ: ahịa site nyere oge, awa nke elu ibu, z-si, na aka atọ ndị yiri nkata, ihe kasị ike ọrụ, ịkwụ ụgwọ ụzọ, na akpaka ụtụ isi calculations.
