A great CV can occasionally itself secure you a job, especially if you are applying for temporary work. At the very least, a strong CV will ensure you promote yourself to your best advantage and help secure interviews.
There is no single way to construct a CV; it is your document and can be structured and presented as you wish within the basic framework set out below.
The order in which you present these, and the emphasis which you give to each one will depend on what you are applying for and what you have to offer.