<?php the_content() ?>  .....  Displays the content of the post/page
<?php the_excerpt() ?>  .....  Displays the excerpt of the current post/page
<?php the_time() ?>  .....  Displays the time of the current post/page
<?php the_date() ?>  .....  Displays the date of a post or set of post/page
<?php the_permalink() ?>  .....  Displays the URL for the Permalink
<?php the_category() ?>  .....  Displays the category of a post
<?php the_author() ?>  .....  Displays the author of the post
<?php the_ID() ?>  .....  Displays the numeric ID of the current post
<?php wp_list_pages() ?>  .....  Displays all the pages