The Rulers are useful for precise positioning of objects in an image.
The Guides can be flexibly positioned anywhere in the area of an image. The Guides can be used for the precise positioning and alignment of an image’s elements.
To add new guide
To change the position of the guideline
Select the Move tool, move the pointer over the guide and drag it.
You can lock the guides after you have finished working with them. Simply right-click on the Ruler Bar and select
To remove all guides in the context menu.Right-click on the Ruler Bar and select
in the context menu, and all guides will be removed from the image.At the push of the Option ⌥ button you will switch from a horizontal guide to a vertical guide.
To snap a guide to the ruler mark, hold down the Shift ⇧ and drag it.
The Grid provides you with a means for alignment of image’s elements to the horizontal or vertical axis.
To change Grid or Guide colors, Grid spacing and Rulers measurement units choose and the Rulers tab.