red pillar box
- postboxContainer for outgoing mail
- letterboxPostal delivery receptacle
- mailPostal system items
- Royal MailBritish postal service
- BritishOf the United Kingdom
London · red · cast iron · Victorian · stamp · envelope · letter · collection · street · pavement · corner · pillar · cylindrical · slot · post office · queuing · correspondence · heritage
communication method
red pillar boxemail server
System routing electronic correspondence
smartphone · instant messaging · fiber optic cable · wireless router
communication method era
red pillar boxemail
Digital written communication
text message · instant messaging · smartphone · social media · WhatsApp