Theme

1. The subject or programmatic content of a work of art or the dominant motif.

2. In literature, the typology of the plot, e.g. the plot of Romeo and Juliet has the thematic type of tragic love; also the olidactic object or moral of a work, e.g. the theme, crime does not pay.

3. In music, one or more leading melodies in a work.

4. A dominant colour in a decorating scheme.

5. The central subject of a conference.

6. The cognitive or conceptual element that unifies a work as opposed to the sensory. In some cases, its meaning.