Interesting idioms

 Stony Stratford was an important stopping-off point for mail and passenger coaches travelling between London and the North of England. This coaching history is the source of the supposed origin of the phrase 'cock and bull story'.
The Cock and the Bull were two of the main coaching inns in the town and the banter and rivalry between groups of travellers is said to have resulted in exaggerated and fanciful stories, which became known as 'cock and bull stories'. The two hostelries did, and still do, exist.

The 'Oxford comma' is an optional comma before the word 'and' at the end of a list:
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It's known as the Oxford comma because it was traditionally used by printers, readers, and editors at Oxford University Press.  Not all writers and publishers use it, but it can clarify the meaning of a sentence when the items in a list are not single words: