From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: border1.nntp.dca3.giganews.com!border3.nntp.dca.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!goblin2!goblin.stu.neva.ru!feeder.erje.net!eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Simon Wright Newsgroups: comp.lang.ada Subject: Re: Vocabulary matter: Component vs Element vs Item Date: Thu, 25 Jul 2013 20:01:38 +0100 Organization: A noiseless patient Spider Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: mx05.eternal-september.org; posting-host="d88aa8a0fafe4f7fb3eb325f8f3d97d0"; logging-data="18208"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+XZgiZ/0m/vVQZQrJthmW3DSehO+15L4U=" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (darwin) Cancel-Lock: sha1:a53c/N/gBE6mE2BC37kKSwvfCU0= sha1:EUuaK/0nmbYAxCPX33Cv+jPYrkk= X-Original-Bytes: 1810 Xref: number.nntp.dca.giganews.com comp.lang.ada:182674 Date: 2013-07-25T20:01:38+01:00 List-Id: "Yannick DuchĂȘne (Hibou57)" writes: > All three words "component", "element" and "item" could be seen as > interchangeable in plain English (or am I wrong?). I have a feeling that in English (BrE) "component" and "element" are more-or-less synonymous, but "item" isn't. "The solution to the problem has five Xs" - X could be component or element, but not item; an item is a thing on its own, whereas a component or an element is one of many. So I think that the Ada Containers match this notion: a container can have elements (of element_type, eeew), and you replace one of them by an item. I see that the Booch Components have this the other way round: procedure Insert (C : in out Abstract_Collection; Elem : Item) is abstract;