e/Array slicing

Information
has gloss	eng: In computer programming, array slicing is an operation that extracts certain elements from an array and packages them as another array, possibly with different number of indices (or dimensions) and different index ranges. Two common examples are extracting a substring from a string of characters (e.g. "ell" from "hello"), and extracting a row (or a column) of a rectangular matrix to be used as a vector.
lexicalization	eng: array slicing
instance of	c/Arrays