Typical situation in EU4: there is certain parameter (let's call it A), and UI displays a tooltip for value of A with loads and loads of modifiers that affect value of A itself or speed of its change. Most of modifiers are listed by their names, and often there is no hint about nature of that modifier, which can vary a lot. We have
- national ideas;
- ideas from idea groups;
- advisors (referred by their names);
- traits of current ruler;
- estate privileges;
- etc.