Your application is essentially a statement of claims against the selection criteria and should be the centre piece of your application. In addressing the selection criteria, you should use specific examples of work you have done, describing how you have contributed to a process or an outcome, and how this relates to the particular selection criteria you are addressing.
You should seek to demonstrate your ability to meet the requirements of the position by describing your relevant skills, abilities, knowledge, work achievements and experience against each of the selection criteria. You must show us that you meet them and how you meet them.