"How Are Node Orders Defined in an Element Retrieved via hm_nodelist?"

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set nodelist [hm_nodelist $elemid]



set n1 [lindex $nodelist 0]


set n2 [lindex $nodelist 1]


set n3 [lindex $nodelist 2]


set n4 [lindex $nodelist 3]

I have a question: when I retrieve the nodes of an element like this, how is the order of the nodes determined?

For example, does n1 always correspond to a specific location in the element, such as top-right, bottom-left, etc.? Or does the order depend on element orientation, ID, or something else?