If you mean the mouse cursors then the default ones are as follows (does not include Windows Aero defaults):
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The mouse pointer is used to navigate on a computer. It allows you to place the pointer over the place you want to be on the page and then to click the mouse in order to go to another page, type in something in the address bar, etc.
A mouse pointer (or cursor) is an icon used to manipulate a graphical interface. The location of the mouse pointer on the screen is changed by moving a computer mouse.