Metaphors are different because they do not include comparisons using "like" or "as".
A metaphor
A metaphor, a simile uses the words like or as.
that man
simile
Velvet is a noun that represents a type of fabric, so it is neither a simile nor a metaphor. Similes and metaphors are figures of speech that compare two different things using "like" or "as" (simile) or by stating that one thing is another (metaphor).
simile
simile
simile and METAPHOR AND PERSONIFICATION AND CHEESE
That's a simile because it uses the word "as" and compares two different things.
simile
simile
As quick as a wink is a simile. ----