Drama anime heavily emphasize their characters' emotional development. Whether by experiencing the protagonist’s emotional turmoil, viewing heated character interactions, or exploring a passionate romance, any anime that humanizes its characters through emphasizing their flaws qualifies as a Drama.
Seinen (青年), translated as "youth", is a demographic aimed at men from late teens to adulthood who understand kanji. Seinen manga rarely include furigana with kanji, and have a wide variety of topics and themes. Seinen is the counterpart of Josei, a demographic aimed at women.
Shoujo (少女), translated as "young woman", is a demographic aimed at teenage girls. The most iconic and influential Shoujo character designs come from the early 20th century, where girls and boys alike were drawn with huge eyes. Shoujo is the counterpart of Shounen, a demographic aimed at boys and young men.