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.
Definition of etic : of, relating to, or involving analysis of cultural phenomena from the perspective of one who does not participate in the culture being studied â compare emic new! Time Traveler