Simile - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Simile)

Metaphor - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Metaphor)

The two above links are from wikipedia to describe what a similie is and what a metaphor is.

Below is a link that I feel gives a very basic but understandable definition of the two that anyone can understand.

Metaphor/Simile Links (http://www.wiu.edu/users/mudjs1/meta-sim.htm)

http://www.tnellen.com/cybereng/lit_terms/simile.html


I hope that these links help you to understand the difference and relavance of the two different devices in poetry.

Torana

Here is another really useful link to do with Metaphors. I found this to have a lot of really good information.

Become a Master of Metaphor and Multiply Your Blogging Effectiveness | Copyblogger (http://www.copyblogger.com/become-a-master-of-metaphor-and-multiply-your-blogging-effectiveness/)

I copy and pasted this article from this link provided. It has some great information on Metaphor, Similie and Analogy http://www.copyblogger.com/metaphor-simile-and-analogy-what%e2%80%99s-the-difference/ (http://www.copyblogger.com/metaphor-simile-and-analogy-what%e2%80%99s-the-difference/)


Metaphor, Simile and Analogy:
What’s the Difference?

by Brian Clark (http://www.copyblogger.com/author/Brian/)
Now that we know metaphors can be powerful persuasion tools (http://www.copyblogger.com/become-a-master-of-metaphor-and-multiply-your-blogging-effectiveness/), let’s make sure everyone is on the same page from a definitional standpoint. Common sources of confusion for the metaphorically inclined include the simile and the analogy.
While all three are closely related, it’s smart to understand the differences. The distinctions among metaphors, similes and analogies will also help to underscore why you may want to use one and not the other in certain situations.
Let’s take a look at definitions:
Metaphor

A metaphor is a figure of speech that uses one thing to mean another and makes a comparison between the two. The key words here are “one thing to mean another.” So, when someone says “He’s become a shell of a man,” we know not to take this literally, even though it’s stated directly as if this person had actually lost his internal substance.
Simile

A simile compares two different things in order to create a new meaning. In this case, we are made explicitly aware that a comparison is being made due to the use of “like” or “as” (He’s like a shell of a man). For fun, the next time someone corrects you and says “That’s a simile, not a metaphor,” you can respond by letting them know that a simile is a type of metaphor, just like sarcasm is a type of irony. Resist the urge to be sarcastic in your delivery.
Analogy

An analogy is comparable to metaphor and simile in that it shows how two different things are similar, but it’s a bit more complex. Rather than a figure of speech, an analogy is more of a logical argument. The presenter of an analogy will often demonstrate how two things are alike by pointing out shared characteristics, with the goal of showing that if two things are similar in some ways, they are similar in other ways as well.
Why metaphor?

There are circumstances where either a simile or analogy is the more appropriate vehicle for getting your point across. But coming up with a great metaphor may be your best bet in many situations.
A metaphor carries so much more power than a simile, because it’s direct. Using “like” or “as” to make an open comparison will often diminish the vivid visual you’re trying to paint in the reader’s mind. Likewise, a spot-on metaphor will spark instant understanding for a reader, without the elaboration that an analogy requires.
From here we’ll examine specific ways to use metaphor in your blog posts. Headlines, openings, themes, calls to action and more can all benefit from the use of metaphor, as long as the metaphors don’t suck. We’ll look at ways to avoid that, too.

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simile does not have a third 'i'... ;-)