核心畫面
Picture the top strip of a sheet of business writing paper: a company name, maybe a small logo, the street address and phone number, all printed there before anyone a word. That printed strip sits at the 'head' of the letter the way a heading sits at the top of a page, and it does one quiet job — it says who this paper belongs to. That top band can be held as the picture inside the word, and it also explains why the same word can point at the whole sheet: in an office, the printed top is the only thing that makes this sheet different from blank paper.
可以想成一張公司用紙最上面那一條：公司名稱、可能一個小 logo、地址、電話，在還沒有人寫下任何一個字之前就已經印在…更多收起
可以想成一張公司用紙最上面那一條：公司名稱、可能一個小 logo、地址、電話，在還沒有人寫下任何一個字之前就已經印在那裡了。這一條印好的東西坐在信的「頭」上，就像標題坐在一頁的最上面，而它只做一件安靜的事——說明這張紙是誰的。這條頂帶可以拿來當作 letterhead 的畫面，也解釋了為什麼同一個字後來也能指整張紙：在辦公室裡，上面那條印刷，正是這張紙跟白紙唯一的差別。原始詞典資料2 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。
letterheadnoun/ˈlɛtə(ɹ)ˌhɛd/
- 1
A portion of text at the top of a letter, identifying the sender and often giving their address etc., used for formal correspondence.
- We need to change our letterhead to use the new logo.
- The unified colour palette of reds, blues, and yellows used throughout the signage matches that of the institution’s logo and letterhead.
- 2
Paper marked with a letterhead.
- Internal memos do not need to be printed on letterhead.
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。