ResuMaestro Résumé Service

If you want a good standard definition, Wikipedia covers the bases, spelling out some of the different kinds and purposes of resumes.  Here’s the start of the Wikipedia entry:

“A résumé (pronounced /ˈrɛzʊmeɪ/ REZ-oo-may or /rɛzʊˈmeɪ/; French: [ʁezyme]; sometimes spelled resumé or resume) is a marketing tool used by individuals to secure a new job, a promotion, or an increase in salary.^[1] A typical résumé contains a summary of relevant job experience and education . The résumé is typically the first item that a potential employer encounters regarding the job seeker and is typically used to screen applicants, often followed by an interview, when seeking employment. The résumé is comparable to a curriculum vitae in many countries, although in Canada and United States it is substantially different….”

But rather than trying to predict at the outset which type is best for you, you might be just as well served by just listing everything you have done, and letting the format evolve from there.