ماهو معنى كلمة flag في الكود التالي

Private Sub Form_Load()
dp.address = 888
sp.address = 889
cp.address = 890
cp.Value = 1
End Sub
Private Sub Timer1_Timer()
DoEvents
If counter1 < 0 Then counter1 = 0
x = counter1 Mod 10
y = (counter1 - x) / 10
y = y * (2 ^ 4)
outputs = y Or x
dp.Value = outputs
If counter1 > 99 Then counter1 = 0
inputs = (sp.Value And 24) / 8
If inputs = 3 Then
flag = 3
ElseIf inputs = 2 Then
If Not inputs =flagThen
counter1 = counter1 + 1
flag = 2
End If
ElseIf inputs = 1 Then
If Not inputs =flag Then
counter1 = counter1 - 1
flag = 1
End If
ElseIf inputs = 0 Then
flag = 0
End If
End Sub