point

A point is a position with no size, or a small dot.

Example: These two lines meet at this point.

A point is the sharp end of a knife or other sharp thing.

Example: He used the point of the knife to make a hole in the can.

The point of something is the reason or purpose for it.

Example: The whole point of coming here was to plant this tree, so let's not go home without doing it.

A point is a dot between two numbers. To the dot's right, you find a decimal.

Example: You need a point between the one and the zero.

To point at something is to hold one finger (or a stick, arrow or other long, thin thing) in the direction of the thing so that people will look at the thing.

Example: He pointed her toward the gate.