performance, achievement, results, track record (in business, finance, etc.)

wide, broad (especially more so than normal) / large scale, drastic, major, substantial

a specific measure used for traditional Japanese textiles: full-breadth cloth, roughly 72 cm wide, twice the width of a 小幅 (kohaba) measure

the second half (of the) year

the second half (of the) year

the first half (of the) year

the first half (of the) year

improvement, an action taken to improve / improvement, a spontaneous change for the better

(transitive) to improve, to make better / (intransitive) for something to improve on its own

betterment, improvement, amelioration