Attention Identifier. A one byte data field used to indicate the method used to initiate a transaction (e.g. a PA key) from a 3270-like device. Automatic Initiate Descriptor. A CICS control block used for automatic task initiation due to a transient data or interval control event.

Access Identifier

Attention identifier. A character in a data stream indicating that the user has pressed a key, such as Enter, requesting an action by the system.

Article Identifier Article ID values may include the pii (controlled publisher identifier) or doi (Digital Object Identifier). 21603040 [pii

Action ID. This is an MPORT term for the internally assigned number to identify an action. AID is one of the columns in the Transaction Report. See also: Action ID.

Application Identifier. Identifies an application in a smart card. AID consists of two data elements: the RFID (registered identifier) and the PIX (proprietary identifier).

See attention identifier.

Application identifier defined in ISO7816

Acquisition Item Description - also referred to in the past as PID (Procurement Item Description). It is how we identify our items and includes the reference to the NSN, Item Name and descriptive data.