margin

[1]	edge , border , perimeter , border , perimeter , periphery , rim , lip , side , brink , verge
[2]	limit(s) , bound(s) , boundary (line) , border , frontier , line , partition line
[3]	allowance , security deposit , play , leeway , latitude , scope , freedom , room , space , compass
[4]	gross profit , gross profit margin
[5]	allowance , leeway , tolerance