Definition of «similar themes»

The phrase "similar themes" means that different things or ideas share common topics or subjects that they are focused on or exploring.

And both use similar themes in the past and present to connect the threads. (haro-online.com)
Go to a bookstore or perform an online search and hunt down books with similar themes. (lulu.com)
The script should contain keywords from the original book and touch on similar themes. (booklistonline.com)
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