It seems like you are asking about arrays, but your message is quite brief. Could you please specify what you would like to know about arrays? For example, would you like information on:

— What an array is?
— How to create an array in a specific programming language?
— Different types of arrays (e.g., one-dimensional, multi-dimensional)?
— Operations that can be performed on arrays?
— Examples of array use cases?

Let me know how I can assist you further!