The subject or theme under discussion.

• A general area of interest or study.

讨论的主题或话题。

• 一般的兴趣领域或研究方向。

A thread or conversation on a forum or platform.

• The initial post and its replies as one unit.

论坛或平台上的帖子或讨论串。

• 包含首帖及其回复的整体。

In messaging systems, a named channel for publish and subscribe.

• Delivers messages to multiple subscribers.

在消息系统中，用于发布和订阅的命名通道。

• 可向多个订阅者分发消息。

In music, a conventional style marker suggesting a genre.

• Evokes a familiar musical topic like march or pastoral.

在音乐中，暗示某种风格的常规标志或特征。

• 唤起如进行曲、田园等音乐题材。

In rhetoric, a commonplace or line of argument.

• A general category from which arguments are drawn.

修辞学中用于构思论证的常见论题。

• 可供提取论据的一般范畴。

Archaic: an external medicinal application, such as a plaster or blister.

• Applied to the skin rather than taken internally.

旧用法：外用药，如膏药或发疱剂。

• 涂抹于皮肤而非内服。