Difference between black and brown mustard seeds?

Is there a difference in flavor, taste, usage between black or brown mustard seeds? Which one should I get for general cooking purpose?

What is the difference between black mustard and yellow mustard?

i judge vegetables as a … hobby …. and I also have to identify weeds, pests, transplants and market defects. I always have trouble telling black mustard from yellow mustard. For all those people out there, that are really confused, I’m really not that crazy, and both flowers are yellow, so they really [...]

what is the difference between Dijon mustard and spicy brown mustard?

I mean I have a recipe that needs Dijon mustard and all I have is spicy brown will it work?