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.
ID is defined as an abbreviation for identification. An example of an ID is a driver's license. I'd is defined as I had or I would. The definition of the id is the unconscious part of the mind that causes primal needs to be met, according to Freudian theory. An example of id is the instinct of fight or flight. id.