noun: White area between written characters and graphic regions on a produced page or computer display; blanks and the vertical blank lines in between paragraphs, or other organized rows of text lines (poetry).
noun: (computer science, uncountable) A contiguous collection of one or more characters that each represents horizontal or vertical space in typography.
noun: (business) A timeframe of unused attention seen as an opportunity for gainful activity (in comparison to a blank piece of paper yet to be written to, or unallocated radio frequencies).