What is a 'User Role'User Roles are used in the context of projects. Regardless of what profile a user has (developer, sales person, analyst, etc), he or she can play different roles in a specific project: team lead, reviewer, quality check. A user can be part of different projects, and play different roles in those projects.For instance, Martha, is a 'senior developer' -her user profile- and plays the role of 'team lead' - user role- for the project titled "Launch advanced search feature". However she plays the role of 'reviewer' in a second project she is also working on named "Communication".How to define 'User Roles'