: A common Russian diminutive for the name Anastasia, likely referring to the subject or the creator of the content within the archive.
: Likely a category code, series number, or internal database identifier used by the uploader. BD 063 16 08nastya rar
Because this is a specific file name rather than a general academic or news topic, there is no standardized "text" or official documentation for it. The meaning of the name generally breaks down as follows: : A common Russian diminutive for the name