Base
From ACT Wiki
1.
A quantity that is used as a starting point or reference, to determine other amounts.
For example, the base currency in a foreign exchange rate quotation is the currency that there is one unit of in the quotation.
In the quotation GBP/USD 1.1900; or 1 GBP = 1.1900 USD,
the base currency is GBP;
meaning one British pound would be exchanged for a variable number of USD, depending on the rate quoted.
2.
Alternative name for basis.
3. Foreign currency.
Abbreviation for base currency.
4. Interest rates.
Abbreviation for base rate.
5. Taxation.
Abbreviation for tax base.
