If you don't want to add an explanatory memo about an item that is used a little differently, you can directly change the wording of the item just for the current month for one person:

Example: if you want to transform bonus into special bonus:

Click on the Name of item in the grey bar. A black vertical bar flashes. Enter the Bonus box and modify the text. Leave the box with the Tab key.

The line is displayed in yellow:

If you want to go back, right click on the mouse and choose Reset the status modified description. Resume permanent.