The title and release year. Ammu is an Indian Telugu-language legal drama (also released in Hindi) starring Aishwarya Lekshmi.

When dealing with files from third-party sites like the one mentioned in your query:

Because it uses x265 (HEVC) , older computers or basic smart TVs might struggle to play it. Use a modern media player like VLC Media Player , MPC-HC , or IINA (for Mac).

Likely a site-specific tag or internal group code (SkymoviesHD).

The audio format (Advanced Audio Coding), which is standard for high-quality compressed sound.

Downloading copyrighted content from these sources is illegal in many jurisdictions. Supporting the creators via official streaming platforms ensures more films like this get made.