The document discusses the concept of volition in the Tibetan language, explaining that volition refers to the difference between verbs that express actions one chooses to do versus actions outside of one's control. It notes that in Tibetan, some verbs are considered volitional while others are not, and this distinction affects which affixes and grammatical forms can be used with each verb type, such as non-volitional verbs generally not taking the imperative mode.