some icon libraries appear under a single hdpi folder in drawble during download, and multiple dp files appear.
is already a resolution device, and the icon still needs to be cut. Does it take into account the different locations of zooming in and out?
may still be found in many places within the software

for example, an icon, under drawable-xxhdpi will still have a different dp.
the following is an example of Google"s official MD design icon package.