Layouts allow custom regions within a canvas to be defined. These regions can then be used to easily contain the position of a Layer within it’s containing Canvas
Creating Layouts
The Layout editor window can be opened from the toolbar menu Config > Layouts
Use the + button below the Layout list panel to create a new layout, then right-click the new Layout within the Layout list and choose Rename to change its name.
...
Use the Left , Right, Top and Bottom sliders to adjust the Region. CTRL+Click to manually enter a slider value.
...
Using Layouts
Within the Geometry settings of a Layer, set Position Mode to Lock to Region. A Region within a Layout can then be selected. Once a Region has been set, the Layer will be locked within the boundary of the Region.
...