国土安全

国 = 囗 + 玉 : Mnemonic symbol: a nation's flag. Let's say the Chinese flag.

In the observatory's kitchen (o2) Gitta Giraffe (gu) is practising her ballet performance. She got a whole crate (囗) full of jade bracelets (玉) and flags (国) and fixed one flag to each jade bracelet. This makes a perfect combination for throwing the ring with the flag waving behind it and catching the ring again after a few pirouettes.

土 = 十 + 一 : Tommy Turtle (tu) wants to fix a cross (十) on a flute (一) in the space station's living room (Ø3). He uses dust and clay (土) to hold them together.

安 = 女 + 宀 : Albert Einstein prepared an experiment: He invented a new sport and tries it out himself. Using a seat belt, he jumps off anthill's roof. To his surprise, he lands in a graduation cap that Bessie Coleman put there to capture him.

全 = 人 + 王 : In the anthill's kitchen (an2), Neanderthal Man (人), Martin Luther King (王) and Cupid (qu) have gathered for a world record attempt. They want to eat a whole (全) 100 kg whole-wheat bread (mnemonic symbol for 全) in under one hour.