belt-tightening vs impairment

belt-tightening

• A reduction in expenditure, often as a result of financial restrictions. 

• Causing or involving a reduction in expenditure. 

impairment

• A downward revaluation, a write-down. 

• A deterioration or weakening 

• The result of being impaired 

• A disability or handicap 

• an inefficient part or factor.