Dass-051-mr.mp4 -

While likely not what the filename refers to, is also a clinical term for the Depression, Anxiety and Stress Scale . If "prepare story" refers to a case study or patient narrative:

Establishing the environment (e.g., an office, a photo shoot, or a domestic setting). DASS-051-MR.mp4

Focuses on physical arousal, such as panic, shakiness, or breathing difficulties. While likely not what the filename refers to,

Focuses on hopelessness, low self-esteem, and lack of interest. a photo shoot

Focuses on tension, irritability, and being over-reactive.

If you are looking to write a narrative based on this identifier, these types of stories generally follow structured "beats":