Use the Assign Activity Step Templates dialog box to assign a step template to an activity. By using Ctrl-Click, you can assign multiple templates to a single activity. You can also use Ctrl-Click to select multiple activities, then assign the applicable template(s) to those activities.
Step Template Name:
When connected to a P6 Professional database: The names of all the activity step templates present in the Activity Step Templates dialog box.
When connected to a P6 EPPM database: The names of all the activity step templates.
Step Count: The number of steps contained in the template.