how to create a matrix in C#?

So I know how to make a matrix in java using something such as String [][] stringTester = {{"words", "moreWords","Yeet"},{"idk","yetMoreWords"},{"sup","ladys"}}; System.out.print(stringTester[0][2]); which in terms should print out “Yeet” but what would be the C# equivalence? (IK IK THIS IS JAVA, but i need to use matrix using c# for my game using this type of method)

These are called jagged array (at least in C# as far as I know)

The msdn doc is quite clear:

You also might be interest in Multi-dimensional arrays (This would be closer to a matrix):