Multi-dimensional Array: A multi-dimensional array is similar to a nested array, but it can have more than two dimensions. It allows for the organization of data in multiple levels or layers.
Indexing: Indexing refers to accessing specific elements within an array by using their position or index number.
Jagged Array: A jagged array is an irregularly shaped multidimensional array where each row can have a different length. It provides flexibility when dealing with varying amounts of data in different rows.