The Three Elements
Adaptability (environment, 
Tian1-Shi2)
MACRO-U can operate under different resource constraints, such as
network bandwidth, error rate, workstation's limitations, etc.
Scalability (organizational characteristics,
Di4-Li4)
MACRO-U can be for individual instructor operating by himself, small
to large institutions, and federation of institutions
Universal Accessibility (people, 
Ren2-He2)
MACRO-U delivers education to any one at any time in any place
regardless of linguistic skills, physical handicaps, age
differences, etc.