if you could standardise a file format for a specific task what would you pick and why

if you could pick a standard format for a purpose what would it be and why?

e.g. flac for lossless audio because...

(yes you can add new categories)

summary:

1. photos .jxl
2. open domain image data .exr
3. videos .av1
4. lossless audio .flac
5. lossy audio .opus
6. subtitles srt/ass
7. fonts .otf
8. container mkv (doesnt contain .jxl)
9. plain text utf-8 (many also say markup but disagree on the implementation)
10. documents .odt
11. archive files (this one is causing a bloodbath so i picked randomly) .tar.zst
12. configuration files toml
13. typesetting typst
14. interchange format .ora
15. models .gltf / .glb
16. daw session files .dawproject
17. otdr measurement results .xml