因
=
囗
+
大
:
Mnemonic symbol: the close reasoner René Descartes.
因
=
囗
+
大
:
In front of the encampment, René Descartes, Maud Younger and a robot a starting a big rave. The robot sits inside a big box and is the master of ceremony, while René and Maud are dancing on the square. They started this rave to collect money for a good cause.
Caltrop or puncture vine (Tribulus terrestris) / to thatch (a roof)
茨
=
艹
+
次
:
The King of Chu (c) wanted to pick up his cube (次) in the space station's kitchen, and he thought all he has to do is walk over sheets of artificial lawn (艹). In reality he mistook a pad of caltrop wine (茨) for the artificial lawn and soon has a lot of caltrops sticking in his feet.