Significance of color in our recorded videos

why do we have certain videos marked in certain colors like in mcsa we have some of the videos marked in green colors.
what does it signify?
Important topics?
Just curious to know.


@Mayank sir

Bhai ye green wali videos aap full dekh chuke ho or dusri wali dekhni h

@iamsiddyt

Black Color:- It means you have not watched video till end.

Green Color:- It means you have successfully watched this video till end.

Its just you have completed them

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