a dash equal to half of an em dash, used for ranges of numbers and combining hyphenated words
A dash the width of the character N for the font and point size in use En dashes are used to indicate a number range
A line that is one en ling (an abbreviation for the unit of measure equal to the width of the capital letter N of a given font {now standardized at 6 points}) to top
A punctuation mark used to indicate a range of dates or numbers or to separate the elements of a compound adjective, one part of which is hyphenated or consists of two words