There are two groups out there when it comes to pagination style, so you’ll have to decide which group you fall into. There’s the “squared-off pages” group and the “no widows or orphans” group. Let me explain the difference.

Through the years, different generations have learned alternative definitions of the word “widow” and “orphan”.
Here’s how I learned it:
A widow, is a lonely line at the very bottom of the page. It’s when only one more line will fit at the bottom and that line is the start of a new paragraph.
An orphan, is a lonely line at the very top of the page where the paragraph ends.
(Image 1 depicts these two instances)
Now, other generations learned the opposite meanings. So for some, a widow is at the top of a page, and an orphan is at the bottom. Regardless of how you learned it, the information below is still the same. For this, we will use the words as defined above.