(education, language learning) listening comprehension

to understand spoken language that one hears

the mon, an old currency / a unit of length for measuring the size of one's foot (from the way that the mon coins would be lined up and used as a kind of inch marker) / a character, a letter

solution, untie

divide; split; separate / untie; loosen; relax; remove / make clear; explain / understand; comprehend / opinion; explanation; solution

explanation; interpretation / (mathematics) solution / answer; reply (to a given question or problem)

回文: palindrome

(grammar) a sentence / writing, composition / a design or pattern as decoration / literature, learning, scholarship / elegance, refinement (especially of writing or wording)

writing, something written / a letter (written communication), an epistle / (archaic) study, scholarship (especially of classical Chinese) / a style of 家紋 (kamon, “family crest”)

a pattern, a design, especially one with diagonally crossing lines / a diagonal crossing / a flowery expression or turn of phrase / a plot, a scheme / a refrain or recurring phrase in a piece of music