This document describes the 16 personality types defined by the Myers-Briggs Type Indicator (MBTI) assessment. It provides brief descriptions of the core characteristics of each of the 16 types, organized by their preferences on four dimensions: Extraversion-Introversion, Sensing-Intuition, Thinking-Feeling, Judging-Perceiving. It also lists optimal career settings that are well-suited to each personality type based on their preferences and natural strengths.