In Illustrator, the wider “encompassing” idea doesn’t exist. Same Horizontal Align Center tool in the Align panel:īut here’s where the important difference is. A lot of the above is the same in Illustrator as its InDesign counterpart. Now when you click that same Align tool, the Key Object doesn’t budge and the blue rectangle moves relative to the pink one: But this time, you click the Key Object again (without holding shift, by the way) and get the extra-special selection indicator around the pink rectangle: Like the second step above, you select both objects.

That’s where the concept of a Key Object comes in. Suppose, however, the pink rectangle is in a position you prefer, but want the wider blue rectangle to be moved relative to the pink one. This is why I consider InDesign’s Align more natural – the wider blue rectangle “encompasses” the position of the narrow pink rectangle, and doesn’t budge. Throughout these example, pay attention to both rectangles’ position relative to the gray background: InDesign will move the pink rectangle while maintaining the position of the blue rectangle. …and click the Align Horizontal Centers tool in the Align panel: …and you want to center horizontally, you click one, then shift-click the other:

If you’ve got two objects such as these rectangles…

Let’s start with InDesign, which in my opinion, acts more naturally when you use the Align tool. The funny thing is that the tool acts differently between the two Adobe applications, and it’s helpful to know how each works and why Key Object is an important concept. When two or more objects need to be centered relative to each other, the Align tool is the way to go. If you spend any time using Adobe InDesign or Illustrator, one of the tools you’re likely going to use (and probably often) is Align.

Indesign to ai