Greeting "Good day" in English, "As-Salamualaikum" in Arabic, "Aloha" in Hawaiian, "Shalom" in Hebrew, "Namaste" in Hindi and "Ciao" in Italian. The bow and handshake are also used for both greeting and leave taking. A greeting can consist of an exchange of formal expression, kisses, handshakes, hugs, and various gestures. The form of greeting is determined by social etiquette, as well as by the relationship of the people. Beyond the formal greeting, which may involve a verbal acknowledgment and sometimes a hand shake, facial expression, gestures, body language and eye contact can all signal what type of greeting is expected. Gestures
Āstika and nāstika and lacks scholarly roots in Sanskrit. Recent scholarly studies state that there have been various heresiological translations of Āstika and Nāstika in 20th century literature on Indian philosophies, but quite many are unsophisticated and flawed. Astika and Nāstika do not mean "theism" and "atheism" respectively in ancient or medieval era Sanskrit literature. In current Indian languages like Hindi, "āstika" and its derivatives usually mean "theist", while "nāstika" and its derivatives denote an "atheist.” However, the terms are used differently in Hindu philosophy. For example, "Sāṃkhya" is both an atheist (as it does not accept an anthropomorphic God) and "āstika",(Vedic) philosophy.