The most common and most likely answer to this crossword clue is the 6 letter word TROPES
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More clues leading to the result TROPES
Buddy explains!

The straight part
We know that "figures of speech" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case figures of speech = tropes.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TROPES mean?
TROPES noun- Something recurring across a genre or type of art or literature, such as the ‘mad scientist’ of horror movies or the use of the phrase ‘once upon a time’ as an introduction to fairy tales; a motif.
- A figure of speech in which words or phrases are used with a nonliteral or figurative meaning, such as a metaphor.
- Mathematical senses.
- Musical senses.
- Philosophical senses.
- To use, or embellish something with, a trope.
- Senses relating chiefly to art or literature.
- To think or write in terms of tropes.