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Spotlight

The Universal Postal Union (Coordinates international mailing)

Effective Addressing for International Mail

Pages

These are organized by form and function.

	Communications	Computation	Storage	Authoring	Simulation
Analog	Mail	Device	Paper	Typewriter	Automaton
Electronic	Network	Calculator	Tape	Recorder	Elektro
Digital	Internet	Computer
Hardware	Modem	Microprocessor	Memory	Peripheral	Robot, XR
Software	Service (Web)	Program (OS)	Database	Application	AI, World

These are types of media formats: Image (Object), Text

Resources

These are organized by a classification scheme developed exclusively for Cosma. More…

General

Portal

Postal Information Resources (RefDesk)

Dictionary

mail : material sent or carried in the postal system — Webster

OneLook, Free Dictionary, Wiktionary

post : an organization for handling mail — Webster

OneLook, Free Dictionary, Wiktionary

Thesaurus

Roget’s II (Thesaurus.com), Merriam-Webster Thesaurus, Visuwords

Encyclopedia

Mail or post, is a system for transporting letters and other tangible objects: written documents, typically enclosed in envelopes, and also small packages are delivered to destinations around the world. Anything sent through the postal system is called mail or post. A postal service can be private or public, though many governments place restrictions on private systems. Since the mid-19th century national postal systems have generally been established as government monopolies with a fee on the article prepaid. — Wikipedia

Encyclopædia Britannica