The tag creates a trigger that, when clicked by the user, invokes the action defined within the tag.

标记创建这样的触发器：当用户单击时，该触发器会调用在标记内定义的操作。

youdao

The tag allows the UI to be user driven.

标记允许 UI 是用户驱动的。

youdao

Facebook explains that the data is in fact deleted when a user disables the tag suggestion feature, but it seems that the help file and the control panel don't match.

Facebook解释是这样的，如果用户禁用了标签建议功能，这数据实际上是会被删除的，但这似乎帮助文件和控制面板并不匹配。

youdao

To use Tag On, the user simply holds a smartphone or other NFC-enabled device against the NFC sticker on a CINEMA 3D Smart TV.

ENGADGET: LG details LCD, plasma HDTV lineup for 2013: 4K, Miracast, NFC, WiDi and more

The platform's clean, tiled design gives a fresh and enjoyable new way to view images, with a customisable timeline ribbon and tag-based filtering options that make it easier to find images using important dates, location, user-added tags, and much more.

ENGADGET: Canon launches Project 1709: a strangely named photo service with deep Facebook hooks