One characteristic is that many of the ghosts have a strong connection to nature. For example, some are associated with specific trees or bodies of water. Another is their appearance. The Pontianak often has long flowing hair and a pale complexion. And they usually have a certain behavior pattern, like the Toyol being mischievous and stealing things.
Malaysian ghost stories, or 'Hantu' stories, are often deeply rooted in local culture and superstition. There are various types of 'Hantu' like the Pontianak, a female vampire - like ghost. These stories are passed down through generations and are used to both scare and educate. For example, they might teach children to be home before dark or not to wander into certain areas.
Well, manhwa is Korean comics and corn is a type of crop. There's really no obvious relationship between the two. Maybe in some very specific and rare context there could be, but generally speaking, they're completely different things.
Anime often has a more fluid and detailed frametate, with a focus on dynamic movements and expressions. Cartoons might have a simpler and more consistent frametate.