| Term | Definition |
| "Agency Indians" | Indians who supported the federal government |
| "Civilizing policies" | Encouraged the assimilation of the Indians into the white man's world |
| Ghost Dance | Ceremonial ritual that promised all Indians a return to the old Indian ways and restoration of the buffalo |
| Lakol wicohan | "the Lakota Way" or "The Indian Way" |
| Silent Eaters | organization that its sole function was to guide the people |
| Stronghearts | Group that One Bull joined at age 16 |
| Sun Dance | Titual that embobdied the virtues of the Lakota in their purest form --much personal sacrifice & prayer |
| Tatanka Wanjila | Lakota translation for "One Bull" |
| Tatankeiyo-tanke tahokcila | Lakota translation for "We are Sitting Bull's boys" |
| Counting Coup | Touching the enemy in battle |
| Sweat lodge | Ritual that cleanse the mind, body, & spirit; symbolically to be born again |
| Winter Count | Drawing of pictures of the most important events for each year, beginning with the year of their birth |
| Indian agent | Federal appointees assigned to manage Indian reservations |
| Vision Quest | Ritual that helped the Indians to find the direction in which to lead their lives |
| Warrior societies | Indian organizations that had their own obligations, songs, distinctive clothing, & stories of bravery |
| Sitting Bull | Famous Hunkpapa Lakota leader |
| bravery & generosity | Virtues of the Lakota society |
| Treaty of Fort Laramie | Agreement between the U.S. & Sioux nation guaranteeing ownership of the Black Hills to the Indians |
| Great Sioux Reservations | Lakota Resrvation formed in 1868 that includes western portions of ND & SD |
| James McLaughlin | Person in charge of Standing Rock Agency |
| Fort Buford | Where Sitting Bull surrendered to federal authorities |
| Wovoka | Paiute holy man that created the Ghost Dance |
| Col. George Custer | U.S. Army officer that led an expedition into the Black Hills in 1874 |
| Kicking Bear | Brought the Ghost Dance to the Standing Rock Agency |
| Fort Randall | Where Sitting Bull & close followers were sent in 1881-1883 |
| Battle of Little Big Horn | Sitting Bull's sun dance vision was a representation of this battle |
| Ghost Shirt | Sioux thought these would protect them in battle; worn during Ghost Dance |
| Assimilation | ways to become part of the larger society such as boarding schools & conversion to Christianity |
| Battle of Little Big Horn | Battle that One Bull participated in |
| Henry Oscar | One Bull's given name while on the Standing Rock Agency by the Indian agent in accordance to European custom |