ex·tent /ɪkˈstɛnt/
 U廣度,寬度,長度;C程度,限度
 extent
 延伸區; 範圍
 extent
 範圍
 Ex·tent a.  Extended. [Obs.]
 Ex·tent, n.
 1. Space or degree to which a thing is extended; hence, superficies; compass; bulk; size; length; as, an extent of country or of line; extent of information or of charity.
    Life in its large extent is scare a span.   --Cotton.
 2. Degree; measure; proportion. “The extent to which we can make ourselves what we wish to be.”
 3. Eng. Law (a) A peculiar species of execution upon debts due to the crown, under which the lands and goods of the debtor may be seized to secure payment. (b) A process of execution by which the lands and goods of a debtor are valued and delivered to the creditor.
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 extent
      n 1: the point or degree to which something extends; "the extent
           of the damage"; "the full extent of the law"; "to a
           certain extent she was right"
      2: the distance or area or volume over which something extends;
         "the vast extent of the desert"; "an orchard of
         considerable extent"