When you select an area on your Windows desktop, the space gets highlighted with a semi-transparent ... square appears to be permanent, you may need to update your Display drivers. The white ...

it tends to do a good job of staying transparent. However, if you pull the tape off slowly, or if you pause for a moment while you pull it, it can leave behind opaque white lines on the tape.

The white line on the bottom groove is for club face alignment. This is to help you square the club face. Take your club and hold it out in front of you and look at that white line on the bottom ...