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Message: <blockquote data-quote="CindyD" data-source="post: 2101775" data-attributes="member: 243781">Rep = repetition = how many times you do itSet = number of reps without stopping, often 10Cardio = has to do with your cardiovascular system, which is heart, lungs, circulation.  Aerobic (oxygen-burning) exercises are good for cardio.  Basically, anything that makes you breathe hard, like jogging, swimming, jumping jacks.For what you want, use comfortable weights and more reps, as opposed to heavy, difficult weights and fewer reps, which will bulk you up.Don't overdo.  If you're going to work out every day, work upper body one day and lower body the next, to give your body time to recover.Good luck!</blockquote>