From ConTeXt wiki



width fit broad dimension : the width between the left margin and the start of the first rule. The field name is printed in this space.
distance dimension : distance between the end of the field name and the start of the first rule
before command : is placed before the rules object
after command : is placed after the rules.
style normal bold slanted boldslanted type cap small... command
n number : number of lines to draw, including the shorter first one
interlinespace small medium big
separator text : separates the field name and start of the first rule


Specify default settings for \fillinrules, which draws lines that an answer can be filled in on.


See also

Help from ConTeXt-Mailinglist/Forum

All issues with: