pointer
noun [ C ]
uk/ˈpɔɪntər/ ussomething that is used for pointing at things, for example a long thin stick that you hold to direct attention to a place on a map or words on a board, etc.:
A laser pointer, which directs a small spot of light onto the screen is ideal when you are giving a presentation.
IT
a cursor (= a small arrow on a computer screen that moves to show the point where work is being done)
a helpful piece of advice or information:
Let me give you some pointers on improving your skills as an interviewee.
something that tells you about an existing situation or one that might develop:
pointer to sth Staff turnover can also give a pointer to staff morale.