ADHD is Attention Deficit Hyperactive Disorder where the child has low sitting tolerance and are always on the go, and ADD is Attention Deficit Disorder in which child is low attention capacity and usually are in their own world.
We as adults in their life need to understand that this is a neuro-biological developmental disorder and the few impulsive behaviors out of their control. Parents and teachers need to understand how to accommodate this behavior and encourage them towards success as these kids are super intelligent and highly creative.