| A | B |
| reflexes | Automatic responses, instincts |
| rhythmic | Having a beat or rhythm |
| rhythm | A beat, a repeated pattern of sounds |
| curiosity | A desire to learn about; interest |
| trial and error | The process of trying things to see if they will work, sometimes |
| attention span | The length of time a person will stay engaged in a single activity |
| sensory | Involving the senses of sight, hearing, touch, smell, and/or taste |
| sequencing | Putting things in a logical order |
| tracking | Visually observing the movement of an object or person |
| interactive | Things that cause people to relate to one another |
| emotion | Make-believe, or pretend; as an imaginary friend |
| attachment | A bond; a feeling of closeness |