refinement: Update main description of OSEE
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<img align="right" src="images/VDiagram_sm.png" style="padding-right:10px;width:320px;height:166px;" alt="V-Model"/>
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-The Open System Engineering Environment is a tightly integrated, extensible environment supporting Product Line Engineering in the context of an overall systems engineering approach. It is integrated around a simple, user-definable data model providing full life cycle traceability.
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-The Open System Engineering Environment is an integrated, extensible tool environment for engineering projects.
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-It provides a tightly integrated environment supporting lean principles across a product's full life cycle in the context of an overall systems engineering approach.
-
+The Open System Engineering Environment is a tightly integrated, extensible environment supporting Product Line Engineering in the context of an overall systems engineering approach.
+It is integrated around a simple, user-definable data model providing full life cycle traceability.
OSEE's feature set includes Product Line Engineering, configuration management, requirements management, testing, validation, and project management.
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<h4>Extensible Data Model</h4>
-<p>All project data is stored in OSEE's user-definable data model, which offers revision control, bidirectional traceability across the full product life cycle, project status reporting, and metrics.</p>
+<p>All project data is stored in OSEE's user-definable data model which offers revision control, bidirectional traceability across the full product life cycle, project status reporting, and metrics.</p>
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<h4>A Potent Framework</h4>
<p>
-OSEE offers a full-featured Java API and REST web services for seamless integration of COTS and open-source software.
-Enabling developers to harness OSEE's powerful data management capabilities for their own project needs.
+OSEE offers a full-featured Java API and REST web services for seamless integration of COTS and open-source software enabling developers to harness OSEE's powerful data management capabilities for their own project.
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<h4>Product Line Engineering</h4>
<p>OSEE's Product Line Engineering provides systematic, strategic reuse of engineering artifacts across the full product life cycle.
-OSEE's advanced branch management capabilities, including automated change reports and conflict detection,
+OSEE's advanced branch management capabilities, including automated change reporting and conflict detection,
make it possible to control many variants of a project with ease. Since OSEE retains a full revision
history of every artifacts in the system, engineers can make and review changes with greater confidence.</p>
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