) А можно поподробнее о том что Вы уже уяснили, а что "не до конца" очень просто...
A vector mask creates a sharp-edged shape on a layer and is useful any time you want to add a design element with clean, defined edges. Once you create a layer with a vector mask, you can apply one or more layer styles to it, edit them if needed, and instantly have a usable button, panel, or other Web design element.
A vector mask creates a sharp-edged shape on a layer and is useful any time you want to add a design element with clean, defined edges. Once you create a layer with a vector mask, you can apply one or more layer styles to it, edit them if needed, and instantly have a usable button, panel, or other Web design element.