What is the meaning of an n-dimensional space when n is greater than three, and what purposes can it serve?

So he made the best of it, and prepared for me his own splendid riding-camel, saddled with his own saddle, and hung with luxurious housings and cushions of Nejd leather-work pierced and inlaid in various colours, with plaited fringes and nets embroidered with metal tissues.

We are lucky to live in a land of peace and plenty.

[…] I have no Children to imploy my Care, and Attendance on; And my Lords Estate being taken away, had nothing for Huswifery, or thrifty Industry to imploy my selfe in; having no Stock to work on. For Housewifery is a discreet Management, and ordering all in Private, and Household Affaires, seeing nothing spoil’d, or Profusely spent, that every thing has its proper Place, and every Servant his proper Work, and every Work to be done in its proper Time; to be Neat, and Cleanly, to have their House quiet from all disturbing Noise. But Thriftiness is something stricter; for good Housewifery may be used in great Expenses; but Thriftiness signifies a Saving, or a getting; as to increase their Stock, or Estate.