An Oxford, or serial, comma is the last comma in a list; it goes before the word "and." Technically, it's grammatically optional in American English. However, depending on the list you are writing ...

When you're writing or typing and begin to list items in consecutive order, do you add a comma prior to the conjunction before the final item? Or not? The inclusion of that final comma is a great ...

So what's this serious matter they're chatting about? Welp, the caption simply reads: "I'm sorry, but refusing to use an Oxford comma isn't really grounds for divorce." View this post on Instagram ...