How do you put skills and abilities on a resume?

As someone who is a college educator, has helped put together lots of resumes, and has taught job-hunting, let me say you ask a very common question.

Work, whether paid or not is still experience and should go on a resume! And it would go with your work history. Now as far as job title, you could say Intern. But that's not a rule!

It all depends on what your internship was. If you did one that's customer service-related, then you could list it as Customer Service. This is part of what makes writing resumes tough, there aren't rules in some areas like this one.

It's judgment calls and personal opinions. I've prepared lots of resumes going both ways--listing Intern or specialty area--and both are equally effective. What's most important is what you did during your internship!

This would go under your employment history heading with job title, Intern. Definitely something should go on the resume.