Span

noun

1. The space from the thumb to the end of the little finger when extended; nine inches; an eighth of a fathom.
2. (by extension) A small space or a brief portion of time.

   "He has a short attention span and gets bored within minutes."

3. A portion of something by length; a subsequence.
4. The spread or extent of an arch or between its abutments, or of a beam, girder, truss, roof, bridge, or the like, between supports.
5. The length of a cable, wire, rope, chain between two consecutive supports.