What is "arq"

ARQ or Arq may refer to:

• Automatic Repeat-reQuest, an error control mechanism for data transmission
• An admission request in H.323 Registration, Admission and Status (RAS) messages
• ARQ (journal), an architecture journal
• ISO 639-3 code for Algerian Arabic

ARQ is a scientific journal published by the School of Architecture of the Pontifical Catholic University of Chile. It publishes articles on a wide range of architecture-related topics, primarily on issues that are relevant to Chile and South America. Each issue is centered on one theme.