Box/open are the primitives you want. Box wraps other values (possibly with different types or sizes) in one array, kind of like a C struct. Open extracts sub-e

Box/open are the primitives you want. Box wraps other values (possibly with different types or sizes) in one array, kind of like a C struct. Open extracts sub-elements. Box: http://www.jsoftware.com/help/dictionary/d010.htm http://www.jsoftware.com/help/dictionary/d010.htm Open: http://www.jsoftware.com/help/dictionary/d020.htm http://www.jsoftware.com/help/dictionary/d020.htm