what is the Slippage mean?

 
bool OrderClose(        int ticket, double lots, double price, int slippage, color Color=CLR_NONE)
Closes opened order. If the function succeeds, the return value is true. If the function fails, the return value is false. To get the detailed error information, call GetLastError().
Parameters:
ticket    -     Unique number of the order ticket.
lots      -     Number of lots.
price     -     Preferred closing price.
slippage          -     Value of the maximum price slippage in points.
Color     -     Color of the closing arrow on the chart. If the parameter is missing or has CLR_NONE value closing arrow will not be drawn on the chart.
what is the Slippage mean?
 
slippage is a fancy word & one of the ways to steal money from u
 
anthor:
what is the Slippage mean?

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