The set of external characteristics that an object exhibits.

The abstract class that provides common behavior for Class and Metaclass objects.

A message specifying an action to be performed on the receiver object and an additional object passed as an argument. The name of a binary message consists of one or two special characters. Smalltalk uses binary messages for arithmetic, comparisons, and logical operations. X + Y is an example of a binary message with + as the binary selector.

The bind file, created during precompile, contains all of the information needed to create a package in DB2 used for executing corresponding Smalltalk code. The package is utilized by the DB2 database manager at execution. The bind file can be used to bind your application to other databases.

A Smalltalk object consisting of one or more statements, enclosed in brackets ], that are passed as arguments or used as the receiver of messages that implement control flow. Blocks can define temporary variables for their own use. See also sort block.

A window that supports one or more programming activities, such as creating new classes or methods, modifying existing classes or methods, or viewing library members.

A literal that is an indexed sequence of byte values. The number sign (#) precedes this sequence and brackets enclose the sequence. For example: #[17 103 11] is an array of 3 bytes.