Yu the Great (yu) is selling flutes (一) in front of the elevator (e1). He has a whole box (囗) of them, and he's advertising them by using a microphone (曰).
one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit
to extend / to state / to explain / 9th earthly branch: 3-5 p.m., 7th solar month (7th August-7th September), year of the Monkey / ancient Chinese compass point: 240°
first of the ten Heavenly Stems 十天干[shi2 tian1 gan1] / (used for an unspecified person or thing) / first (in a list, as a party to a contract etc) / letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc / armor plating / shell or carapace / (of the fingers or toes) nail / bladed leather or metal armor (old) / ranking system used in the Imperial examinations (old) / civil administration unit in the baojia 保甲[bao3 jia3] system (old) / ancient Chinese compass point: 75°