c/Windows-only instant messaging clients

Information
lexicalization	eng: Windows-only instant messaging clients
subclass of	(noun) a person who seeks the advice of a lawyer client
has instance	e/Playlinc
has instance	e/Say Club messenger
has instance	e/Threedegrees

Meaning
Castilian
lexicalization	spa: Clientes de mensajería instantánea exclusivos para Windows