Question What would happen if I didn't select this option?

[Ganesh Ujwal123]

In this video editing tutorial, at 01:57 author said after cropping desired region, I need to select
"Set width according to parent's aspect ratio" option. What would happen if I click apply effect without select this said option?

Software: VSDC Video editor

 

[rgd1101]

can't try it?

 

[Kyla Watson]

Width output file will not change and will same as input.