Multidimensional array has more than one dimension.
int[,] arr = new int[4,5]; //two dimentional array int[,] arr = new int[,] {{2,3,4},{11,12,24}}; int elem = arr[0,0]; //elem=2 int elem2 = arr[1,1]; //elems=12
int num = arr.Length; //6
int dim = arr.Rank; //2
int len = arr.GetLength(1); //3