mass noun
1- the action of providing something with a caption, title, or subtitles加标题（或说明文字）; 配字幕。
1.1
- titles, captions, or subtitles added to something such as a book cover or video标题; 说明文字; 字幕。
1.2
- Printing type consisting only of capital letters and figures which are the full height of the type size【印刷】标题铅字。