Well, the Anansi Goatman story is really interesting. Anansi is famous for his cleverness. In this story, if we assume it's a traditional tale, Anansi could be facing off against the Goatman. The Goatman might represent some kind of wild or uncivilized force. Anansi, being the clever one, might try to use his intelligence to either escape from the Goatman or gain something from him. It could be about a power struggle or a test of wits in the strange world of folklore.
One main theme could be the battle of wits. Since Anansi is a trickster, there is likely a lot of mental sparring between him and the Goatman. Another theme might be the unknown or the uncanny. The Goatman represents something that is not quite normal, and Anansi has to navigate this strange encounter.
All stories in Anansi Boys are Anansi stories because Anansi is the root. His traits are passed down or reflected in the Anansi Boys. So any story about them is also about Anansi in a way.
Tiger is a common character. In some stories, Anansi has to deal with the powerful and often menacing Tiger. Their interactions usually involve Anansi using his cunning to either avoid trouble from Tiger or get something from him.
In 'anansi the spider man story', Anansi is highly intelligent. He is also very crafty, always coming up with devious plans. And he is resourceful, able to make the most of any situation to his advantage.
Well, 'anansi boys all stories are anansi stories' might be saying that since Anansi is such a significant and complex character in the lore, any story that involves the Anansi Boys is inherently an Anansi story. It's like they carry the essence of Anansi with them, and their own stories are just an extension of the greater Anansi narrative.
The original goatman story has different interpretations. Generally, it's about this mysterious being that combines human and goat features. In some tales, it's a malevolent entity that scares people who venture into its territory at night. There are stories of it chasing hikers or causing unease among local residents.