Depends on what you are talking about for example if you are talking about a nonfiction or an opinion piece then the author might use transition words to move smoothly on to the next paragraph or to start a new topic.
If it's a fiction then it's most likely using descriptive language, p.o.v , dialogue and character development I. The story
B. Roots
Roots are the smallest meaningful parts of words. For example the root word of aquamarine would be Aqua, which means water. So the root word can also give you a hint on the meaning of the word.
Hope this helps :)
Metaphor is when your comparing two things without using like or as and a simile is when ur comparing two things using like or as