Class — create classes

Interface — define contract to be implemented

Object — basic class for all objects (has neither fields nor methods)

This — pointer to the object itself (used to resolve conflicts)

Super — symbolic reference to parent class

Descendants — list of classes derived from a class

Destructor — method of an object called during destruction

LockClass — make classes unchangeable (for commercial class libraries)

ClassNumber — unique number of class

New — create new objects

Objects — list of created objects

ObjectQ — test if an evaluated expression is an object

DirectlyObjectQ — test if an unevaluated expression is an object

InstanceOf — test the type of an object

ObjectInitializations — preconstructor settings for object fields

RemoveObjects — delete all objects of one class

ObjectNumber — unique number of object

Public — tag of class member that can be accessed from anywhere

Protected — tag of a class member that can be used in derived classes

Private — tag of class member that can only be used in the same class

Static — tag of class member that is shared by all objects of a class

Override — tag for a class member that changes the functionality of its parent

Virtual — tag for a class member that is used polymorphically

Real — tag for a class member that is not used polymorphically

Abstract — tag for a class or a class member to be implemented by a derived class

Final — tag for a class or a class member that cannot be changed in a derived class

Property — tag of a class field that is accessed through getter and setter methods

Default — tag of a class method or indexer that needs not to be specified

Constant — tag for a method that does not change an object or its class

Mutable — tag for a field that may be changed by a constant method

Transient — tag for a class or a class member to be excuded from being exported

External — tag for a method used as an operator on objects

Dot — operator to define and access classes as well as objects

Part — access parts of a class field

MessageName — handle InstanceOf and TypeOf operators

Import — tag for a symbol not defined in the class' hierarchy

Export — save class and object definitions

Objectica — list information on the package

$DefaultClass — base class to use if not specified

$DefaultAccess — level of encapsulation to use if not specified

$DefaultInheritance — type of polymorphism to use if not specified

$CalledClass — class of method currently executed

$CallingClass — class of method that invoked method currently being executed

$ObjectNumber — counter of objects being created

$ClassNumber — counter for classes being created

$ObjectPrefix — start of name of newly created objects

$ClassPrefix — start of name of newly created anonymous classes

ClassQ — test if an expression is a class

InterfaceQ — test if an expression is an interface

AnonymousClassQ — test if an expression is an anonymous class

TypeOf — test the type of a class

ClassAttributes — list of tags of a class or a class member

ClassFieldQ — test if a pattern represents a field of a class

PropertyQ — test if a pattern represents a property of a class

ObjectConstructorQ — test if currently in an object constructor

ClassConstructorQ — test if currently in a class constructor

ClassAccessAllowedQ — test if a caller may use a class member

ClassInformation — details on class members

ClassTemplates — server function for the menu command "Make Template"

VirtualMemberTable — location of a class pattern (virtual method table)

ClassFieldSlot — location of a class field