Height-In-Cells
This style implies that the value specified for the 
Lines property, the one setting the Push-Button control’s height, is expressed in CELLS. It is possible to get the same result writing: "
Lines value CELLS".
 
Example - Define a push-button with height and width in cells
screen section. ...   03 screen-1-pb-3 Push-Button      line 12.1      column 15.2      size 7.4       lines 2.5       id 3      title "Save"      height-in-cells      width-in-cells      .  |