PALO ALTO RESEARCH CENTER
Computer Sciences Laboratory
April 16, 1976
To: Alto Users
From: Bob Sproull
Subject: Alto interaction nomenclature
Filed on: Nomenclature.Bravo
As more and more Alto systems intended for novice users become available, it is
increasingly important to use uniform and unambiguous terminology for describing
interactions witl~' the programs. If each manual uses different terms for describing
mouse and keyboard interaction, users will be hopelessly confused.
This memo proposes conventional terminology, using Butler's novice Bravo guide as
pattern. It is fluid, and will be amended from time to time.
Terms with special meaning or of preferred usage are italicized.
Manuals should usually contain a brief sunlmary of whatever portions of this
terminology are actually used in the document. (This makes documents