You can place elements and change their sizes in two ways: visual and precise.

Move elements across the canvas:

1. By dragging elements from their center 1.
2. By entering X and Y coordinates starting from the top left corner 2.

Change an element’s size:

1. By dragging the element’s size arms 3
2. By entering the element’s width and height 4.

To fix or release the proportions click on the Constrain proportions button 5.