pew research center has subdivided the american muslim community and their percentages into three subsets, namely sunnism (65%), shiaism (11%) and non-denominational muslims (24%). sunni is a term derived from sunnah (سُنَّة /ˈsunna/, plural سُنَن sunan /ˈsunan/) meaning "habit", "usual practice", "custom", "tradition". the muslim use of this term refers to the sayings and living habits of the prophet muhammad. its adherents are referred to in arabic as ahl as-sunnah wa l-jamāʻah ("the people of the sunnah and the community") or ahl as-sunnah for short. in english, its adherents are known as sunni muslims, sunnis, sunnites and ahlus sunnah. sunni islam is sometimes referred to as "orthodox islam". the quran, together with hadith (especially those collected in kutub al-sittah) and binding juristic consensus form the basis of all traditional jurisprudence within sunni islam. sharia rulings are derived from these basic sources, in conjunction with analogical reasoning, consideration of public welfare and juristic discretion, using the principles of jurisprudence developed by the traditional legal schools.