The for each loop goes thru all the elements in a list. The first time the loop is executed, the variable "item" will be 54. Executes all the blocks inside the For Each container block, and goes back to the top. Now item will be 32. And so on until there's no more elements in your list.
The problem, I presume is that you want to display those at intervals of time, is that right?
Read this to understand why the elements are not displayed one by one: