How should we theorize security?

you have to write an essay answering this particular question:

How should we theorize security?
As well as you have to Develop Central argument Following the essay Guide I will attach in here.
Also The form of your essay ought to be guided by the Essay Guide, which is available on VU Collaborate. That guide which is my personal guide to essays is consistent with the assessment criteria against which your Essay will be marked, and which are laid out below:

Assessment criteria

Your result in this piece of assessment will depend upon whether or not you achieve the following:

Analysis: Have you advanced a clear and persuasive central argument that responds directly to the essay question, and deployed critical analysis in order to develop and support that argument?
Organisation: Have you organized your essay so that it is clear and coherent and so that it supports your argument?
Research: Have you identified and critically analysed materials relevant to each essay topic and employed those materials in the development and defence of your argument?
Communication: Have you presented your essay professionally, referenced the assignment completely (ideally, using the Harvard system), and expressed yourself clearly, in a scholarly style and language?