• User: a person that wants to solve a problem using the system.
  
• System: the software that will help users solve a problem.
• Session: a temporal gathering of users using the system to together solve one specific problem.
• Owner: starts and ends a specific session. The owner also securely invites other users to a session.
• First-level group: a group of suggested solutions to the question at  issue.
• Second-level group: a group of first-level groups.
  
• Lone-wolf: a suggested solution that is not in a first-level group.
• Evaluation matrix: A matrix with three rows; efficiency, feasibility and priority and a number of columns of at least the number of suggested solutions.

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