An annotation is explanatory content related to a particular segment of a media file. This feature can only annotate video, audio, images, and plain text files, all of which are media that have been imported from external sources. When annotating a video or audio file, the author has the option of annotating select time frames of this file, so one can annotate, for example, from minute 3:34 to minute 8:99 of this file. When annotating an image, one can annotate a particular spatial area of this image. (I, however, don’t know about annotating a plain text file, though I doubt we will have to worry about this for our journal.) A single media file can have as many annotations as one sees fit or as many as the file can accommodate.

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