[intertextuality]

Stroke order is also important when writing fast or sloppy. Depending on the stroke order the slants/angles of the strokes will be different, obviously, which lets you deduce a character if someone has written it sloppily (but with the right order). I've had to do this many a time when deciphering quickly-written native korean handwriting.

Beginner learners often write ㅁ wrong, making it almost look like a ㅇ.