Solvers must enter both letters in thematically appropriate order, and highlight the standard cell providing a fifteenth thematic element, in its thematically appropriate location.

It covers a broad thematic element of history that often uses a global approach, although national and regional histories remain predominant.

Cozy mystery series frequently have a prominent thematic element introduced by the detective's job or hobby.

Advantages and disadvantages often have a thematic element to them.

Thematic elements must be highlighted in full.