Where the shape comes from
A net woven on a frame, the crossing strands drawn as a grid — stretched wide to catch fish or birds. Compressed flat to sit atop other elements, it becomes 罒, catching a bird in 罗, a net, to gather, and catching wrongdoing itself in 罪, a crime, sin, where what is wrong is netted the way game once was.
汉字 filed under 网
No published character on HSK Guide is filed under this radical yet. 汉字库.