See the image at the right; the red arrow indicates the wind direction.
The arrow must indicate where he had come from.
A double-headed arrow indicated a short cut over the top of a hill.
On each individual boulder, an arrow indicates the general direction of climb.
An arrow painted on an adjacent level weight indicates the current status.
On the edge of each line, arrows indicate the cardinality.
Thus the hierarchy has the following structure, where arrows indicate inclusion.
In this diagram, an arrow from one problem to another indicates the direction of the reduction.
"And we will also use arrows to indicate the direction we have taken."
On the back of each tiles is an arrow indicating pile direction.
