This is the 11170th most frequent Catalan word.
taques
Spots or stains.
Here, 'taques' refers to stains or spots, typically marks of dirt or discoloration.
Les taques a la roba són difícils de treure.
The stains on the clothes are difficult to remove.
'Taques' is used to denote spots or marks, in this case, referring to marks on the skin.
He vist unes taques a la pell que haurien de ser revisades per un metge.
I have seen some spots on the skin that should be checked by a doctor.
In this usage, 'taques' means spots or patches, referring to areas of particular color in an artwork.