Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226003
Is Reference of Mail program-en#Sense
Cartero-es#Sense
Mailer-en#Sense
Logiciel de courrier électronique-fr#Sense
Agente de correo-es#Sense
Gestor de correo-es#Sense