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