Hi,
In English, the icon you indicate is called Toggle Switch Display SP/MP. It has three sates which affect all the other commands on this ribbon panel.
All orange = Preliminary Numbers
White and Orange = Single Part Numbers
All White = Assembly Numbers.
So for example, if you want to compare the difference between two assemblies this icon must be all white before you use "Differences between two objects". Or if you want to delete single part numbers make sure this icon is white and orange first.
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| 1 | Mesa sees largest measles outbreak in decades, health officials urge vaccination | 0 | 12.37 | 16-05-2026 |