Asynchronous communication

Asynchronous communication is the exchange of messages without requiring participants to send and receive them at the same time. It allows responses to arrive later, rather than during a shared live interaction.

Email: Email is a system for exchanging digital messages over computer networks, typically without requiring simultaneous participation. It exemplifies asynchronous exchange through messages that remain available until recipients respond.
Discussion forum: A discussion forum is an online space where participants post messages and replies around shared topics. Posts and replies can accumulate over hours or days without participants being present together.
Video conference: A video conference is a live meeting in which participants communicate through real-time audio and video. It depends on participants sharing a time, unlike deferred message exchange.
Time-zone overlap: Time-zone overlap is the portion of a workday shared by people in different time zones. Less overlap increases the practical value of messages that can wait for a response.
Message queue: A message queue is a storage mechanism that holds messages until a receiving system processes them. Queues let software send and receive messages at different times without direct synchronization.
Pull request: A pull request is a proposal to merge code changes, usually accompanied by review and discussion. Code review proceeds through comments and revisions that contributors answer on their own schedules.
Telephone call: A telephone call is a voice conversation carried over a telephone network, usually in real time. Its conversational turn-taking makes it a synchronous alternative to delayed messages.
Computer-supported cooperative work: Computer-supported cooperative work studies how technology supports people working together. It examines how asynchronous tools affect coordination, collaboration, and shared work.
Store-and-forward: Store-and-forward is a communication method in which an intermediary stores a message before transmitting it onward. Intermediary storage makes delayed delivery possible when sender and recipient are not simultaneously available.
Remote work: Remote work is employment performed outside a centralized workplace, often using digital communication tools. Asynchronous practices help distributed teams coordinate across schedules and time zones.

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