Forex is the abbreviation for foreign exchange, refers to the foreign currency or the foreign country currency expresses which can be use in the international settlement payment means and the property, mainly it includes the credit instrument, disbursement voucher, the negotiable securities and the foreign exchange cash and so on. 
The International Monetary Fund defined Forex as the international creditor's rights which a country has, no matter this kind of creditor's rights are express by the foreign currency or expressed by the standard currency.
Exchange Rate
Exchange rate, also known as the exchange price, it refers by a country currency being express by another country currency, or it is also the price ratio between both countries currency, generally it is being expressed by using the price proportion of both countries. For instance: USD/JPY=105.40, is being expressed a US dollar equal to 105.40 Japanese Yen, US dollar is also known as the unit currency, the Japanese Yen is known as the price currency.
Exchange rate, also known as the exchange price, it refers by a country currency being express by another country currency, or it is also the price ratio between both countries currency, generally it is being expressed by using the price proportion of both countries. For instance: USD/JPY=105.40, is being expressed a US dollar equal to 105.40 Japanese Yen, US dollar is also known as the unit currency, the Japanese Yen is known as the price currency.
In the foreign exchange market, the exchange rate is demonstrated by five numerals, for example:
Euro/US dollar: EUR/USD 1.3325
US dollar/Japanese Yen: USD/JPY 104.95
Pound/US dollar: GBP/USD 1.9337
US dollar/Swiss Franc: USD/CHF 1.2303
The exchange rate smallest change unit is, namely a final one-figure number digital change, is called an exchange rate basic point (Pip), abbreviation exchange rate spot, for example:
Euro EUR 0.0001
Japanese Yen JPY 0.01
Pound GBP 0.0001
Swiss Franc CHF 0.0001
