// add post-formats to post_type 'post'
add_theme_support('post-formats',array('aside','gallery','link','image','quote','status','video','audio','chat'));
// add post-formats to post_type 'page'
add_post_type_support( 'page', 'post-formats' );

aside - Typically styled without a title. Similar to a Facebook note update.
gallery - A gallery of images. Post will likely contain a gallery shortcode and will have image attachments.
link - A link to another site. Themes may wish to use the first <a href=””> tag in the post content as the external link for that post. An alternative approach could be if the post consists only of a URL, then that will be the URL and the title (post_title) will be the name attached to the anchor for it.
image - A single image. The first <img /> tag in the post could be considered the image. Alternatively, if the post consists only of a URL, that will be the image URL and the title of the post (post_title) will be the title attribute for the image.
quote - A quotation. Probably will contain a blockquote holding the quote content. Alternatively, the quote may be just the content, with the source/author being the title.
status - A short status update, similar to a Twitter status update.
video - A single video. The first <video /> tag or object/embed in the post content could be considered the video. Alternatively, if the post consists only of a URL, that will be the video URL. May also contain the video as an attachment to the post, if video support is enabled on the blog (like via a plugin).
audio - An audio file. Could be used for Podcasting.
chat - A chat transcript, like so:

<?php if ( have_posts() ) : ?>
 
    <?php /* Start the Loop */ ?>
    <?php while ( have_posts() ) : the_post(); ?>
        <?php get_template_part( 'content', get_post_format() ); ?>
    <?php endwhile; ?>
<?php endif; // end have_posts() check ?>

content.php
content-image.php
content-aside.php
content-{other types...}.php

<?php if ( have_posts() ) : ?>
 
    <?php /* Start the Loop */ ?>
    <?php while ( have_posts() ) : the_post(); ?>
        <?php get_template_part( 'incontent', get_post_format() ); ?>
    <?php endwhile; ?>
<?php endif; // end have_posts() check ?>

incontent.php
incontent-image.php
incontent-aside.php
incontent-{other types...}.php

if( has_post_format('image') ):
// do something
elseif( has_post_format('aside') ):
//do some thing
endif;

get_template_part($slug,$name);

get_template_part('content','video');

get_template_part('content');

get_template_part('inc/content','video');