Dictionary ↔ Object with ASU arbitrary # properties with same type & unknown names (at Compile Time)
ASU
Arbitrary # Same type Unkown names
References
Associative Array↔mapor Dictionary collection of key/value pairs, with unique keysTyped Object↔ Type to ref any non-Primitive; as Record or DictionaryIndex Signature↔ TS Syntax to express Dictionary with arbitrary key map to value