核心畫面
Picture the open square at the middle of a Roman town: no roof, no door, anyone may walk in, and that is where people trade, argue and decide things together. Every later use keeps the shape of that square — a space that exists so a group can speak in public, whether it is a conference hall or a website.
可以想成：古羅馬城中央那塊沒有屋頂、沒有門的公共廣場，誰都能走進去，交易、辯論、討論公共事務都在那裡發生。後來的每個…更多收起
可以想成：古羅馬城中央那塊沒有屋頂、沒有門的公共廣場，誰都能走進去，交易、辯論、討論公共事務都在那裡發生。後來的每個用法都保留了這塊廣場的形狀——一個「讓一群人公開講話」的空間，不管它是一間會議廳還是一個網站。原始詞典資料5 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
forumnoun/ˈfɔːɹəm/
- 1
A place for discussion.
- 2
A gathering for the purpose of discussion; a symposium.
- 3
A form of discussion involving a panel of presenters and often participation by members of the audience.
- 4
An Internet message board where users can post messages regarding one or more topics of discussion.
- Trish was an admin on three forums, and had no trouble at all when it came to moderating them.
- 5
historicalA square or marketplace in a Roman town, used for public business and commerce.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。