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Figure 15.

Source: Christopher Alexander [48]
| 1. Levels of scale | 6. Good shape | 11. Roughness | 
| 2. Strong centers | 7. Local symmetries | 12. Echoes | 
| 3. Boundaries | 8. Deep interlock and ambiguity | 13. The Void | 
| 4. Alternating repetition | 9. Contrast | 14. Simplicity and Inner Calm | 
| 5. Positive space | 10. Gradients | 15. Not-separateness | 
Source: An outline of the overall structure of QET created by A_ Bengtsson, P_ Grahn [47]
| Section A | Section B | 
|---|---|
| Six environmental qualities allowing persons to be comfortable in the outdoor environment: | Thirteen environmental qualities supporting persons’ access to nature and surrounding life: | 
| 1. Closeness and easy access | 1. Joyful and meaningful activities | 
| 2. Enclosure and entrance | 2. Contact with surrounding life | 
| 3. Safety and security | 3. Social opportunities | 
| 4. Familiarity | 4. Culture and connection to past times | 
| 5. Orientation and way finding | 5. Symbolism/reflection | 
| 6. Different options in different kinds of weather | 6. Prospect | 
| 7. Space | |
| 8. Rich in species | |
| 9. Sensual pleasures of nature | |
| 10. Seasons changing in nature | |
| 11. Serene | |
| 12. Wild nature | |
| 13. Refuge | 
Universal Pattern of Therapeutic Park_ Source [43]
| 1. PARK’S FUNCTIONAL PROGRAM | 2. ORGANISATION OF SPACE AND FUNCTIONS | 3. INTERIORS DESIGN, ARCHITECTURAL FORM AND DETAILS | 4. PLACEMAKING | 5. PURSUIT OF SUSTAINABLE DEVELOPMENT | 
|---|---|---|---|---|
| 1.1. Psychological and hysical regeneration | 2.1.
Spatial composition follows the surrounding urban pattern | 3.1. Optimal level of complexity | 4.1. Works of Art | 5.1. Green Infrastructure |