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Answer · Which one? · it connects

Element 51

51●‹
Rs
Respond

Answer someone's invitation.

accept a call · RSVP · join

First known

From a history

c.1974PLATO's term-talk: page someone and they see a flashing line naming you; they press term-talk to accept, or term-busy to refuse. University of Illinois.

See also: 4.2BSD talk (1983), which tells the person called how to respond.

“A person receiving a page would see a flashing message at the bottom of the screen identifying the pager. ... could use "term-talk" to accept.”

Term-talk is the first clear case where the person invited picks accept, refuse or ignore. Q-32's DIAL sent a message and asked nothing back.

Dated by a reputable history or a participant's own account. The source.

  • ReadingValue

Specimen № 51 — operate freely

Answer each invitation, or silence it. Watch their side.

Fig. 51 — Respond

000 readings · idle

Down the Answer column

  1. it followsTgToggle
  2. it targetsChChoose
  3. it remembersCfConfirm
  4. it connectsRsRespond
  5. it guessesAcAccept
  6. it actsApApprove

Read down and Toggle gets heavier: each step is the same act, on a machine that keeps track of more.

Bodies

The act stays put while the hardware changes. These are some of the forms Respond takes.

  • accept a call
  • RSVP
  • join

From the 2021 table

This was a tile of its own. On this table it is a form of Respond, and its old address lands here.

  • JoinIsotopeThe same act in another body.