For questions related to the commitment accepted by users on proposals.
If you commit to a proposal, you are agreeing to:
participate actively on the proposed site for at least three months, especially during the private beta.
ask or answer at least ten questions.
If you do this, you earn 50 reputation points and regain your 'commit'.
After 6 months, your 'commit' is returned by default.
See FAQ for more details.