Symbol (steam)
Definition
The symbol (X) "marks the spot" for purposes of presentation.
Where it occurs.
It is useful to label the start and end points of a process as 1 and 2, or key points in a cycle as 1, 2, 3, 4.
Special features
We use numbers.
How to draw it
Click to give a POI then press symbol. The label increments automatically, giving 1,2,3. If you wish, you can overwrite the number in the text box.
The theory
NA.