EXAMPLE:
1.I wandered lonely as a cloud
That floats over high vales and hills (The Daffodils by William Wordsworth)
This is a figure of speech in which one thing is described
in terms of another. This is a basic device in poetry.

SIMILE IS EXPLICIT
METAPHOR IS IMPLICIT

EXAMPLE :
1.Life is a dream
2. The camel is the ship of the desert.
3. Variety is the spice of life.