徙
=
彳
+
歨
:
Marie Curie (xi) wants to change her residence (徙), but there is a barrier (歨, top) in the space station (Ø3) blocking her path. To get over the barrier she uses a syringe (歨, bottom) to pump up her black sneakers (彳) so she can just jump over the barrier and change her residence (徙) to the other side of the barrier.
彳
=
丿
+
亻
:
Mnemonic symbol for the step with the left foot: a black sneaker, because black sneakers are popular at least with the leftists I met.
Rosa Luxemburg (亻) just finished her banana (丿) and throws the peel over her shoulder in the space station's bathroom (Ø4). Charlie Chaplin (彳), wearing a black sneaker on his left foot, manages to step on the banana peel with his left foot and fall over even in zero gravity.