customize the detail view

Hello everybody
How I can customize the detail view of a custom module named “Contract”, using the file detailview.tpl ??

You would be better to explain what you are wanting to do when you say customize?

Ian

Please, take a look on the following link: https://suitecrm.com/forum/suitecrm-7-0-discussion/4974-customizing-the-detail-view
to really understand my need(the transition from Pic 1 to Pic 2)