cursor

noun

1. A part of any of several scientific or measuring instruments that moves back and forth to indicate a position.

   “Besides, the Reader must know, if a Brazen graduated Semi-Circle were hung on the Poles here, with an erected moveable Pin, or Cursor on it, there would be no need of the Holes[…]in each Parallel of the Globe, for the true Composing of it[…]”

2. A moving icon or other representation, usually called a pointer, of the position of the pointing device.
3. An indicator, often a blinking line or bar, indicating where the next insertion or other edit will take place.
4. A reference to a row of data in a table, which moves from row to row as data is retrieved by way of it.
5. A design pattern in object oriented methodology in which a collection is iterated uniformly.

verb

1. (intransitive)To navigate by means of the cursor keys.

   “The only other problem is that there's a nagging tendency for the highlight to overrun when cursoring through file lists.”