Different colors indicate activities with different progress. Black indicates that you have obtained this part of the document. Red indicates that this part of the file has no source and is in an unknown state. Different degrees of blue indicate that these files are active and active. The deeper the blue is, the more sources there are, and the more active it is. Yellow indicates that this part of the file is being downloaded. The green bar at the top indicates the download progress. A complete green status indicates that the entire file has been downloaded. Deep red indicates that the file has been paused or stopped. If you double-click to expand a downloaded file, the color in it has a different saying: black indicates the part you got. The blue part is the part you still need to download. Gray indicates that this part of the file is also missing from the source. Green indicates the part currently being downloaded. Yellow indicates pending parts (requested). In the upload bar, there is also a status bar with a similar color: black indicates the part that the user has obtained. Gray indicates the user's defective part. Green indicates the part you are uploading to this user. Yellow indicates pending parts (requested). * * * Enjoy the color status bar of the file: red indicates the part that cannot be found in the known source (unexpanded). Different degrees of blue tell you the spread of this document. The darker the color, the wider the spread.

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