Determines whether the query is for a search.

Determines whether the query is for an existing single post.

Determines whether the query is for an existing single post of any post type (post, attachment, page, custom post types).

Determines whether the query is for an existing tag archive page.

Determines whether the query is for an existing custom taxonomy archive page.

Determines whether the query is for a specific time.

Determines whether the query is for a trackback endpoint call.

Determines whether the query is for an existing year archive.

Sets up The Loop with query parameters.

Rewind the loop posts.