activity

n. १ (as,natural or normal function or operation, such as, activity on stock exchange, etc.) कार्य (न.), काम (न.), व्यवहार (पु.) २ (often used in pl.– as business activities, etc.) व्यवहार (पु.), कार्ये (न.अ.व.), घडामोडी (स्त्री.अ.व.)

ad valorem

(in proportion to value) यथा मूल्य, मूल्यानुसार,मूल्यानुसारी (of a tax on property, etc.–levied according to assessed value यथामूल्य; of a tax on goods,etc.–imposed at a rate percent of the value as stated in invoice rather than as a specific sum for a given quantity or number मूल्यानुसार, मूल्यानुसारी)