Describes the application memory usage level.
| Unknown | The memory usage level of the application is not known. | 
| Low | Application can safely allocate significant amounts of memory. | 
| Medium | Application is at safe memory usage level and has some margin to allocate more. | 
| High | Application is at risk of getting low on memory. To prevent this, avoid allocating significant amounts of memory, and release some resources. | 
| Critical | Application is dangerously low on memory and is at risk of being closed by the Operating System. To prevent this, release some resources immediately. |