| A | B |
|---|
| Environmental Load | The flow and intensity of an environment and its stimulus on the behavior and emotions of those who enter |
| Aesthetics | A sense of natural and artistic beauty in the environmental space |
| Entrance Area | The first space a parent and/or a child steps into when entering the classroom environment |
| Quiet area | The space in a classroom that allows a child to withdraw from the main area or groups to be alone |
| Empty space | The amount of uncovered or unused surface space in the playground |
| Simple play unit | One basic use or purpose as in swings, tricycles, balance bar or spiral tunnel accommodating one child at a time |
| Complex play unit | These are units of play where two different materials are introduced to an area to develop group involvement and imaginative thinking. |
| Super unit | These units of play consist of three or more multipurpose materials and equipment accommodating the most amounts of children at one time |
| Tower structure | A tower structure at the minimum will have a climbing ladder, upper standing area and a slide; however, towers can be multi-levels with two to three towers connected by bridges and tunnels |
