Improve answer - lets you add or edit the current answer. Discuss question - is an area off the main answer screen, where multiple users can discuss the question and answer. Watch question - adds it to your watch list (and you can get notified of any new answers/edits or whatever)
The "Discuss" button brings you to the discussion page so you can post about the question or answer, and your opinions or thoughts about it. You can talk about how to improve it or what you think about the answer or question.
Click on the question, then click on answer question. Do not click on discuss. If the question has already been answered, and you want to add or correct something, click on improve answer.
If you have something to add to the answer, click on the Improve Answer button. If you have a comment or want additional information, click on Discuss Question.
Underneath the ads, there is a string of buttons that say "Improve Answer, Discuss Question, and Unwatch Question." Underneath that it will say who first answered, who last edited it, contributer trust, and question popularity.
WACH was created in 1981.
because it's a sport. people pay to wach it. silly question.
Look at the bottom of this answer or any answer to a question and there you'll see "Discuss Question". Click on it and discuss.
Aloys Wach was born in 1892.
Aloys Wach died in 1940.
Joachim Wach died on 1955-08-27.
Joachim Wach was born on 1898-01-25.
Mariusz Wach was born on 1979-12-14.