noun
array element
Computing term for an individual item within an array data structure.
配列要素にアクセスするにはインデックスを使います。
You use an index to access an array element.
配列 refers to the array as a whole, while 配列要素 refers to an individual element within that array.
Compound of 配列 (array) and 要素 (element), a straightforward technical term.