The phrase identifies a puzzle type frequently encountered during the autumn holiday. The characteristics of this puzzle include vocabulary associated with the celebration combined with a relatively high level of challenge. As an example, instead of easily identifiable words, the puzzle may contain long, complex terms or hidden words oriented diagonally, backwards, or intersecting each other multiple times.
Engaging with these types of word puzzles offers several advantages. They can promote cognitive skills such as attention to detail, vocabulary expansion, and pattern recognition. Furthermore, these puzzles provide engaging mental stimulation during the period surrounding the autumnal festival, potentially substituting for or supplementing other forms of seasonal entertainment. Historically, puzzles have served as both educational tools and leisurely activities, offering a brain-training alternative to more passive activities.