This page is for various metaphors that help communicate possible conceptualizations of SSME. Feel free to add metaphors you think would be useful.
Six blind men and the elephant
The six blind men all touch different parts of the elephant, as various disciplines each perceive different aspects of services. By sharing perspectives each stands to improve in understanding the overall picture.
An apple is very different from the moon, but contain similarity with regard to the principle of gravity. (Jim?)