I guess you mean prefix по- [po] Посмотрите [posmotrite] Поговорите [pogovorite] perfective aspect идти́ — to go (imperfective) пойти́ — to go (perfective) for a while, a little говори́ть — to talk поговори́ть — to have a talk, to talk a little there is more information about prefix po http://learnrussian.rt.com/grammar-tables/verbs-of-motion-with-the-prefix-po/