A hump is a rounded lump that sticks up, like the one on the back of a camel. A low rise over the ground’s surface is also called a hump. As a verb to hump means ‘to raise the back as to form a hump,’ like some animals do when they’re scared or annoyed. Informally, in US English…
A thread is a long, thin cord or fiber. In a narrative or in speech, it is something that connects parts of a sequence, running through the whole thing, you might know that meaning from emails or Internet posts as well, meaning ‘a series of messages dealing with the same topic.’ Threads, always in the plural, is…