An additional question along these lines; Did flags that were white fields such as the Ummayad Caliphate and some of the French monarchy flags cause confusion due to the symbol of the white flag?

I have heard that "waiving the white flag" had always just been a sign of "I wish to parley", and at no point was a direct sign for surrender (though that is often what the parley would be about) . Is there any truth to that?

This question was asked a year or so ago and the top answer was:

The first use of a white flag or the color white in general meaning surrender that I can find with a source is that of the Roman writer Cornelius Tacticus in his Histories written in 109 CE in reference to the Second Battle of Cremona fought in 69 CE.

It is commonly believed by vexillologists that the color white was used because it was easy to see on a battlefield, was identifiable from the colorful banners of the different combatant armies and white items such as clothing were easily available.

Is it even a universal sign of surrender? I have never heard of it in Indian history or culture