Edge optimization is good for screen aligned edges, and image quality is good for a moderate number of multisamples.
ˈɛdʒ ˌɑːptɪmᵻzˈeɪʃən ɪz ɡˈʊd fɔːɹ skɹˈiːn ɐlˈaɪnd ˈɛdʒᵻz, ænd ˈɪmɪdʒ kwˈɔlᵻɾi ɪz ɡˈʊd fɚɹə mˈɑːdɚɹət nˈʌmbɚɹ ʌv mˌʌltɪsˈæmpəlz.