User defined types?????

Can someone please explain what user defined types do. I have researched it and know that it is a variable that hold different data types, but how is it incorperated into a program do you have to assign values to them>?? Thanks in advance

Here is an example of a UDT for a Role-Playing game. As you can see it's a data-type that contains elements that are essential for the player such as X position, Y postion, Strength, Hitpoints etc.

Code:

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Private Type PLAYER
    X As Integer
    Y As Integer
    Hitpoints As Integer
    Strength As Integer
    Defence As Integer
    Level As Integer
End Type

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Because we have that template we can now create "copies" of it and assign values to it.

Code:

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Private Sub Command1_Click()

    Dim Player1 As PLAYER
   
    Player1.Hitpoints = 30
    Player1.Strength = 10
    Player1.Defence = 5
    Player1.X = 10
    Player1.Y = 10

End Sub

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If we want more player's, we can create more.

Code:

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Dim Player2 As PLAYER
Dim Player3 As PLAYER

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Thanks megatron that cleared up alot of my questions!!