Commas are among my favorite tools for building meaning. Used intelligently, commas are wonderful signposts that tell readers which part of a sentence they’ve stumbled into—and then help them make their way out again. I like commas so much I’ve written multiple posts about them.
If comma rules confuse you, take heart! If improving reader comprehension is your goal, there are really only a few “rules” to remember:
Rule 1: After introductory elements.
This is the one most people seem to know about. But I argue that commas are really only necessary when the introductory element gets long enough that readers may miss the lane change back into the main part of the sentence.
After a moment he left the room. (No comma needed unless you want to emphasize a pause.)
After he spent an extended vacation in a remote village in the Alps, where did…
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