Making eye contact and repeating directions helps a person improve his or her attention.
According to specialized centers, people's attention is improved by talking to them while looking at them in the eyes and repeating directions.
When someone stands right in front of us, it gets our attention and that is how we can focus on what they are saying to us. Initially it is better to start with just some directions and eventually we would be able to increase our focusing time.
I would start with simple definitions to teach them, the words would depend on the grade they are in, then the words would get harder as we make progress.
Explanation: Hope this helps:).......if not sorry for wasting your time:)