The grid geometry manager lets you create two dimensional layouts of widgets. Cells are something like slices. Like slices they are associated with widgets. Like slices they may be larger than the widgets they are associated with. This may be because of another larger widget in the same row or column or it may be because the user has resized the window.
Cells always expand in both directions.
The concept of grid. It causes a widget to be expanded to fill its entire cell. As mentioned above in The pack and grid Action Families , widgets are placed under geometry management by grid with the following pattern. P will be their master under grid geometry management. This row will be a new row.