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\section{Why \section{\section{Why  Worlds Plural} Plural}}  The tools described above began from an individual point of view. They emerged from interdisciplinary discussion of three investigators and grounded local application and refinement by another. The reality of being-in-the-world as humans is deeply personal, dependent on when and where we live our lives, our language, mentors and experience. It became very apparent to us that we had to work to understand each other even when speaking the same language and using the same words. The world of experience both separated and stimulated us by variety. However communication and inexact meanings must be worked thru: worlds shared.  When we embedded in the structure of the tools recognition of the following we knew, we had learned that the initial cognition was necessary but not sufficient. Cognition has to be repeated and corrected for at least these variables. We do not presume we have exhausted the possible variables, cognitive versions or meaningful questions. We are trying to increase the awareness of them.