A resume is typically sent with a cover letter, which is a document that provides additional information on your skills and experience in letter form. A resume is a concise, often bulleted summary, while a cover letter highlights and expands on certain traits or accomplishments that would be unique or ideal assets for the particular job.
Include measurable accomplishments such as “increased revenue by 25%” as well as responsibilities. It is easy to get carried away describing your work experience or responsibilities, but keeping it short is crucial. Once you get an interview, you will be expected to go into deeper detail.