What is the tp_sp part among the Arduino R3 Eagle CAD parts?

Among the parts in the eagle file provided by Arduino, I am curious about the role of the tp_00 type parts and their role in the footprint.

A quick look at the schematic and I would say that the symbols marked TP_ are test points. Usually they are small copper pads that test probes touch when testing a board.

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i understand. Thank you for answer.

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