Unit Definition (block [East U.S.])
The Block is an informal unit of distance popular in the U.S. A block is the average distance between street intersections in the rectangular street grids common in most American cities. The length of a block in Eastern USA is about 1/20 mile or 80 meters.

Unit Definition (point [Adobe])
A point is a unit of measure in typography (Abbreviated as "pt"). There are various sorts of points, used in particular locations and times: * Fournier point: the first definition of the printer's point, by Pierre Fournier. It was 0.34882 millimetres, which was 1/12 of a cicero.