https://manpages.ubuntu.com/manpages/xenial/man3/XmVaCreateManagedColumn.3.html
Ubuntu Manpage: XmVaCreateColumn, XmVaCreateManagedColumn - A Column widget convenience creation...
A Column widget convenience creation functions. "XmVaCreateColumn" "XmVaCreateManagedColumn" "creation functions"
a columnubuntumanpagewidgetconvenience