I see this a lot in China. Someone forgets how to write a character and asks his friends for help. Or, a Chinese person explains his rare surname to someone he's just met. This conversation happens so quickly I usually can't follow it. I know some of the vocab（木字旁、点、撇、宝盖头、左边、右边）but not enough to keep up.
Could you guys do an intermediate or advanced lesson on how to talk about writing Chinese characters?