Construct a parallelogram by following the construction steps provided below.
[table][tr id=geo271][td]1.[/td][td][icon]/images/ggb/toolbar/mode_join.png[/icon][/td][td]Select the [i]Line [/i]tool and create an arbitrary line [i]AB[/i] by clicking twice in the [i]Graphics View[/i].[/td][/tr][tr id=geo272][td]2.[/td][td][icon]https://tube.geogebra.org/images/ggb/toolbar/mode_join.png[/icon][/td][td]Create another line [i]BC[/i] where [i]C[/i] is a new point.[br][/td][/tr][tr id=geo273][td]3.[/td][td][icon]/images/ggb/toolbar/mode_parallel.png[/icon][/td][td]Activate the [i]Parallel Line[/i] tool and create a parallel line to line [i]AB[/i] through point [i]C[/i].[br][/td][/tr][tr id=geo274][td]4.[/td][td][icon]https://tube.geogebra.org/images/ggb/toolbar/mode_parallel.png[/icon][/td][td]Create a parallel line to line [i]BC[/i] through point [i]A[/i].[/td][/tr][/table]
[table][tr id=geo275][td]5.[/td][td][icon]https://beta.geogebra.org/images/ggb/toolbar/mode_intersect.png[/icon][/td][td]Select the [i]Intersect [/i]tool and create the intersection point [i]D[/i] of the two lines you have created in the last two steps.[br][/td][/tr][tr id=geo276][td]6.[/td][td][icon]https://beta.geogebra.org/images/ggb/toolbar/mode_polygon.png[/icon][/td][td]Activate the [i]Polygon[/i] tool and create the parallelogram [i]ABCD.[/i][u][br][/u][/td][/tr][tr id=moveParallelogram][td]7.[/td][td][icon]https://beta.geogebra.org/images/ggb/toolbar/mode_move.png[/icon][/td][td]Select the [i]Move[/i] tool and drag the vertices of the parallelogram to check whether it was constructed correctly.[/td][/tr][/table]
What is the difference between the true construction of a parallelogram and a simple drawing when using an interactive mathematics software?