To create an ID Number symbol:
Select ID Number
from the drafting entities toolbar.
Pick a symbol location or leader position. Picking an unattached point will first place the symbol and than the leader. Picking an attached point will place the leader first while the second pick will place the symbol.
Edit its parameters with the help of the hot spots
and tips either directly in the graphic area or on the popup menu. Change font style 
and character size also, if required.
Connect the ID number to a component or Connect a Dummy as required.
Press exit when finished.
Number Chain
In addition, a series of ID numbers can be positioned alongside each other in a chain. See ID Number Chain for details
Note: Right-click on the entity itself to access the entity-specific and general functions from the popup menu:
Click each item in the Interaction Dialog for an explanation:
Click the ID Number parameters for an explanation:
See ID Chain for details on how to create a chain ID numbers.
See Entity Overview for a general description.