Thematic development refers to the process of exploring and expanding a central idea or theme within a work of literature, art, or any creative expression. This involves introducing the theme early, then gradually deepening its significance through various elements such as characters, settings, and plot events. In literature, for example, a theme like love can be developed through the experiences of different characters, their relationships, and the challenges they face. This layered approach allows the audience to engage more deeply with the theme, fostering a richer understanding of its implications and relevance.