1. In telecommunications and
data processing systems, one or more characters used to identify, name, or characterize the nature, properties, or contents of a
set of data elements.
2. A
string of bits or characters that names an entity, such as a
program, device, or
system, in order that other entities can
call that entity.
3. In programming languages, a lexical unit that names a
language object, such as a variable,
array,
record,
label, or procedure.
Note: An identifier is placed in a label. The label is attached to, is a part of, or remains associated with, the
information it identifies. If the label becomes disassociated from the information it identifies, the information may not be accessible.
