Spanish people use "array" to refer to an array, and "matrix" to refer to a multidimensional array. If you use "matriz" to refer to an array you will confuse all spanish developers.
deje que outArray -> let outArray
deja que nuestra Variable = nuestroArray [0]; -> let ourVariable = ourArray[0];
en cualquier cosa que desee, además de "b" . -> en cualquier cosa que dese, que NO SEA "b" se entiende mejor.