Here is a list of all topics with brief descriptions:

[detail level 123]

Character Maps	These templates are uses to convert between different character encodings
Color	Color, color-spaces and transfer functions
Concurrency.	Types and functions for handling multiple threads of execution
File handling utilities.	This module contains file handling utilities:
Geometry
Graphical User Interface	Operating System interface to windows, keyboard and mouse handling
Graphics	Operating System interface to low-level drawing and the GPU
Widgets	Graphical elements of interaction
Delegates	Widget delegates used to control the state of widgets
Utilities	Utility types used widgets
Internationalization.
Image	Image types and pixel formats
Localization.
2D layout algorithms
Path handling utilities.	This module contains file handling utilities:
Unicode character database and algorithms