How can we achieve that as soon as the color option is selected, the title and description of the chosen product appear accordingly?

How we can display the product in both ways: the product should show its color inside, and on the collection page, all colors should be visible.

I am unable to bulk edit the price of the XS size variant as it says "Fixed price." I am unsure where the error might be in the code or the Shopify backend that is preventing me from editing the price of the XS size variant. This is a very serious pr...