Yes. Authors also use metaphors to make details more vivid and imaginable.
Yes, a metaphor can be a powerful form of self-expression as it allows an individual to convey complex emotions, thoughts, and experiences in a creative and indirect way. By drawing comparisons between two seemingly unrelated things, a metaphor can offer deeper insights and evoke strong emotions, making it a valuable tool for self-expression.
That statement is a metaphor.
The expression "Dig your own grave" is a metaphor which means to get one's self into trouble that they may not be able to get out of, something foolish or dangerous.
As a form of self-expression.
Through dance, songs, painting, writing, and any other form of self-expression you deem fit. For instance some people consider gardens to be an excellent form of self expression and create elaborate designs. Others write poetry or blog. Self-expression is vague because everyone has a different self to express therefore everyone has a different method of self-expression.
This is a simile, not a metaphor.
Metaphor
no
allusion
"Piece of cake" is both a metaphor and an idiomatic expression.
What is your question? Of course dance is a fine art!
actually it is a metaphor
Metaphor