Themes, from Martin Lindkvist
Theme (music), the initial or principal melody in a musical piece
Theme (literature), the unifying subject or idea of a story
Theme (visual arts), the unifying subject or idea of a visual work
Theme (computing), a custom graphical appearance for certain software, similar to a skin
Theme (linguistics), that part of a sentence which indicates what is being talked about
Theme music, signature music which recurs in a film, television program or performance
Theme (stock market), high at or soon after open, selloff, then strong up move luring in buyers, only to sell off again at or soon after next open….
Thanks to wiki, for the first six, thanks to the mistress for the last one.