pointer

definition: a strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches
example:
speech part: noun
synonyms:
definition: (computer science) indicator consisting of a movable spot of light (an icon) on a visual display
example:
speech part: noun
synonyms: cursor
definition: an indicator as on a dial
example:
speech part: noun
synonyms:
definition: a mark to indicate a direction or relation
example:
speech part: noun
synonyms: arrow

How pointer is being used?