respond –v. to answer words or actions
companion – n.one that accompanies another
affordable – adj. able to be afforded
assembly lines – n. a series of workers or machines in a factory by which a succession of identical item is progressively assembled
function – n. the action for which a person or thing is specially fitted or used or for which a thing exists.
navigation –n. the act of find the way to go from place to place
cloud – n. the computers and connections that support cloud computing
caress – v. a gentle or loving touch
therapeutic – adj. having a beneficial effect on the body or mind