Comenzada la explicacion

4+1view-model.md

+# The "4+1" Model View of Software Architecture
+
+The 4+1 model view [[1]][4+1 model view], desined by Philippe Krutchen, present a way to describe the architecture of sotware systems, using multiple and concurrent views.
+
+## References
+
+[4+1 model view]: https://www.cs.ubc.ca/~gregor/teaching/papers/4+1view-architecture.pdf
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