With the approval of Fortran 90, its array capabilities were largely improved. While still far from languages like APL, the extra functionality required a rethinking of the concept array in Fortran. This led to the need for array descriptors in the language. A zoo of arrays Many programming languages have a concept of array, as a very essential kind of aggregated data type where all the elements of the aggregation are of the same type and can be accessed by some indexing mechanism usually an int...