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I’m skipping the “key-value” part because other answers talk about it. It just emphasizes that “array” gets used a lot of different ways. Classically, an array represents a contiguous block of memory. The name of the array dereferences to the start of the block and “the name” of each element is an offset in the memory block. In other words, historically the ...


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The term element mean a distinct object that is member of a set. This terminology originates from the mathematical set theory. It is used in computer science algorithms with the same meaning, for any kind of collections. Arrays, be it classical indexed arrays, or more elaborate associative arrays are a data structure that represents the relation between ...


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Array := {"title": "Book Title", "author": "John Doe"} Most languages don't refer to that structure as an array (the only major exception I know of is PHP). It's more commonly called a dictionary or a map; those structures have keys and values. A proper array is 'just' a list of elements/values (either term is correct); an example would be ["John", "Jane", "...


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