The Height list box contains the following choices:

Absolute from top left

Absolute from bottom right

Proportional (default)

Auto-fit

Fixed        

It is also possible to check or clear:

Snap        (default is cleared)

Absolute from bottom right (shorter: AB)

This is the most suitable setting, as it will make the replacement object(s) as high as needed to reach the bottom margin of the original object.

Proportional (shorter: P)

This will also scale objects, but they will not cover the entire height of the original .

Autofit

This will scale frames to fit text.