A Muslim house of worship is called a mosque. The word "mosque" evolved from the Arabic term "masjid," which means "place of prostration". Mosques are places of prayer for Muslims and are usually covered buildings, but can be any place where prayers (salah) are performed. Mosques are not only places of worship but also contain teaching and community spaces. Mosques are symbolically very important to Muslims and are a humble way for man to recreate pure divine presence on earth. Mosques have certain features that are common to all of them, such as a mihrab, which is a niche in the wall that indicates the direction of Mecca, and a minbar (or pulpit) from which an Islamic scholar is able to deliver a sermon or speech. Mosques have rules to control what people do inside, and one of these is that it is disrespectful to disturb another person who is worshipping. Mosques are open to Muslims of all creeds, but in reality, some mosques are considered inappropriate, and a traveling Muslim will try to find a mosque that is used by people belonging to his own creed. Most major mosques, called Jami (Cami), are seen as neutral and are used by all creeds.