List

{e1, e2, ...} is a list of elements.

Examples

Create a simple list:

list = {1, 2, 3, 4, 5}
(* {1, 2, 3, 4, 5} *)

Lists can contain any expressions:

{1, "hello", Pi, {a, b}}

Access elements using Part:

list[[2]]
(* 2 *)

Please visit the official Wolfram Language Reference for more details.