Query returns information similar to Element Description form Balance Feeds button.
SELECT substr(BT.BALANCE_NAME,1,20) bal_name
, substr(BF.EFFECTIVE_START_DATE,1,15) start_date
, substr(BF.EFFECTIVE_END_DATE,1,15) end_date
, substr(IV.NAME,1,15) INPUT_VAL_NAME
, substr(HL.MEANING,1,10) ADD_OR_SUBTR
, substr(HL2.MEANING,1,10) UOM
FROM PAY_BALANCE_FEEDS_F BF
, PAY_BALANCE_TYPES BT
, PAY_INPUT_VALUES_F IV
, PAY_ELEMENT_TYPES_F ET
, HR_LOOKUPS HL
, HR_LOOKUPS HL2
WHERE ET.ELEMENT_NAME = <&element_name>
AND BT.BALANCE_TYPE_ID = BF.BALANCE_TYPE_ID
AND IV.INPUT_VALUE_ID = BF.INPUT_VALUE_ID
AND ET.ELEMENT_TYPE_ID = IV.ELEMENT_TYPE_ID
AND HL.LOOKUP_TYPE = 'ADD_SUBTRACT'
AND HL.LOOKUP_CODE = BF.SCALE
AND HL2.LOOKUP_TYPE = 'UNITS'
AND HL2.LOOKUP_CODE = IV.UOM
AND sysdate BETWEEN BF.EFFECTIVE_START_DATE AND BF.EFFECTIVE_END_DATE
AND sysdate BETWEEN IV.EFFECTIVE_START_DATE AND IV.EFFECTIVE_END_DATE
AND sysdate BETWEEN ET.EFFECTIVE_START_DATE AND ET.EFFECTIVE_END_DATE ;