This source is an article about ADD vs ADHD. I’ve always struggled with knowing the differences between ADD and ADHD, so I found this article super helpful in understanding those differences. The link below is for an article that goes into detail about the main key factors that are associated with ADD and ADHD.
Attention Deficit Disorder causes a person to have great difficulty focusing on a topic or activity for any significant length of time. Often creating the most challenge in school and work environments where sitting still, staying organized, and staying on task for specific time frames, ADD with or without Hyperactivity is quite common and can be managed in a variety of ways.