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LOW - No major impact on delivery, not visible to the customer, can be easily rotated,
MODERATE - Delivery might be affected, customer-facing person, but no major impact,
HIGH - Delivery will be affected, customer trusted person, key role or unique expertise,
CRITICAL - Delivery will fail w/o this person/customer’s champion.
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There is no need to select the exact Role Criticality value point on the scale to see the hint with description - hints are available on mouse hover:
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You can find aggregated info about the team statuses on charts on Attrition Mitigation perspective.