The Grid submenu allows you to turn on and off some of the grid options.

When Hide Grid is selected, the grid will not be drawn.

When Show Grid Only is selected, the positions of the Sections, Waterlines, Buttocks and Diagonals as specified by the Grid Spacing function from the Data menu, will be drawn.

When Show Grid And Labels is selected, the names assigned to each grid line in the Grid Spacing option, as well as the grid, will be shown on the screen and printed on any prints or plots.