Mrs Santa presumably she has a job description for this role she is applying for? On it there should be a person specification section, outlining what is required for the job. She should respond to that question with that list in front of her to make sure she mentions something to cover all the requirements of the job, to enable someone shortlisting to easily 'tick' that she meets/exceeds all their requirements. If she's been given specific questions to answer as part of her application she should do so either on the application form if there is one, or on her covering letter.
I'm going to copy and paste my usual generic cv advice as well:
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Put personal information at the top (name, address, contact number only, not 'married 3 kids age 37 favourite colour blue').
You could put a personal profile-type statement after that, just a couple of lines summing up what experience/skills you have to offer and the type of position/company you are looking for. Obviously make sure these tie in with the job you are applying for.
For each job/contract you've had list them in date order starting with most recent, give job title and company plus one line about what the job actually was. Put a list of bullet points of main responsibilites and/or achievements for the most recent/relevant jobs. Do this with the job description for the job you want in front of you so you can emphasise relevant stuff.
Then qualifications/training. List in most recent order, include relevant training courses and higher education if you have it. Don't put Home Ec O Level. Everything on your cv should help you get the job you are looking for, and school exams usually won't unless you are a school leaver or very early in your career.
Don't put photos or anything else annoying and irrelevant, don't put it in a folder or on pink paper, don't staple it. It needs to be easy to read and easy to copy. Put page numbers and your name in the footer of each page in case of mishaps with photocopying.