Multidimensional arrays have other arrays as elements.
For example, [2][3]int
represents an a 2 item array where each item is an array of 3 elements.
There are no limits for the number of dimensions, so you can have e.g. [3][4][8][2]string
array.
Some examples:
https://codeeval.dev/gist/5530895d5617a87977d602183d9eeefd