When you apply PUSH to your project (onto a clip, not solo), the following happens:
The video clips gets pushed to the right (or left), and the text appears: in a sequence, from top, bottom, left or right. Or, it simple fades in/out.
Drag the title-bar for length… this does NOT affect the speed of the animations.
For convenience, a few basic font settings are in the same Inspector.
Finally, you can select a different color for the box.