R has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of R in Governmental & Military.
A line printed above, below, or to the side of some element, either to set that item off from the remain-der of the page or to improve the look of the page. Foot-notes, for example, often appear below a short rule that sets them off from the main text on the page. The thick-ness of a rule is typically measured in points.
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