regional variations (featuring bread!)
Bread; bread roll; bun; bap; cob; roll.
Working in an environment in Scotland where you come across people from all parts of the country, you're constantly coming across new ways to say things (more so food related in my case). Some of which at first, throw you off!
"You want a... what, sorry?"
I've always found it so interesting when it comes to things like this. Over time, generations before you, have all pieced together as to what they call a bit of bread, depending on what part of the UK they're from.
Whether you're a bap person, or just a simple roll person, keep the traditional sayings alive!