<Li> With communications reliability, channel - hopping may be involved, as immunity or attempt thereat from jamming . </Li> <Li> With devices of proprietary design, the respective compositions of them may be more mangled, more convoluted and more complex than functionality warrants, hence confusing or obscure for protective purposes (though possibly to conceal unapproved copying instead). </Li> <Li> With contractual rights; retentions of collateral and risks of jeopardy of collateral may be involved . </Li> <Tr> <Td> </Td> <Td> Warden </Td> <Td_colspan="2"> Ward </Td> </Tr>

Which of the following terms is not a category for real property use