如何将Listview选定的项目值传递给另一个活动

I have successfully added Images from a ListView to a detailed View, when an item in the list is clicked on.But how would I add longer descriptions (which would not be shown in the list, but only appear in a textView in the single_list_item xml?Here's my current code for sending images(string "web" is short text descriptions, string ImageId is the list of images) to my SingleListItem.java.I have successfully added Images from a ListVie