Learner's definition of POINTER
a useful suggestion about how to do or understand something better
She got some pointers [=hints, tips] about the use of commas.
Let me give you a few pointers on managing a successful business.
a sign that shows the condition or existence of something
a thin stick that a person uses to show people where to look on a screen, map, etc.
a small object (such as an arrow or cursor) that is moved on a computer screen by a mouse and that is used to make selections or change where work is being done
a large dog that has long ears and short hair and that is trained to work with hunters by finding and pointing toward hunted animals with its head and body