Payment Gateways. 1  For every credit card transaction online and in-store, a service must communicate with the customer's credit card company to check for sufficient funds. In-store, typically, a POS (point of sale) machine performs this action.
Definition of idic. : relating to or consisting of ids idic constituents of germplasm.
Etic definition, pertaining to or being the raw data of a language or other area of behavior, without considering the data as significant units functioning within a system. See more. Dictionary.com