President Donald Trump has made the tricky punctuation mark a signature of his writing style.

Most often, quotation marks are used to show someone’s exact words. Sometimes, they also signal sarcasm or irony. In most cases, there is nothing especially unusual about this little punctuation mark.

Punctuation is a set of specific marks or symbols that we used to express the meaning of our sentences clearly and to make the flow of the text smooth. It shows us where we need to pause, it separates ...

I can think of a few things off the top of my head that I hope never to use: math, a fire extinguisher, Pepto Bismol, and the flotation device on the bottom of my seat cushion on an airplane. In ...