A resume (sometimes called a "CV") is a document that lists your study, work and life experiences. The purpose of a resume is to show that you can do the jobs you apply for.
A well-written resume is a key part of any job application. It can convince employers to interview you, or even hire you. It can also sell your strengths even if you don't have much paid experience.
These pages will help you understand what a resume is and how to make your own resume the best it can be.