Hello! :) and a question

[bensevil2]

Taking my first tentative steps into modding, and I have a quick question:

What's the difference between data "Boosts" and data "DefaultBoosts" ?  To my beginner's eye, they seem to cover the same thing?

Any ideas or help much appreciated.

[Happybara]

This mod has a small description on this: https://www.nexusmods.com/baldursgate3/mods/1739/

[bensevil2]

A very belated thank-you.