txt?。

If Txt here means call me, send me or write me.

Write me after our lesson.

If In common English,
Text means graphein, means writing

In computer, it means 'Word Process'

It can be a verb in your situation
But as a noun in the professional terms

2006-12-22 15:28:21 補充：
正寫is text.

TXT 係test
vt.
1. 試驗;檢驗;測驗[(+for/in/on)]
The doctor tested his ears.
醫生檢查他的耳朵。
The teacher will test us in maths.
老師將測驗我們數學。
2. 化驗,分析[(+for)]
3. 考驗;考察
vi.
1. 受試驗;受測驗
2. 測得結果
3. (為鑑定而)進行測驗[(+for)]

但係電腦knowledge 方面, 就係 text 檔的extension...