//twentyseventeen/template-parts/post/content.php
<?php
/**
 * Template part for displaying posts
 *
 * @link https://codex.wordpress.org/Template_Hierarchy
 *
 * @package WordPress
 * @subpackage Twenty_Seventeen
 * @since 1.0
 * @version 1.2
 */
 if(!function_exists('categories_and_tags')) {
		function categories_and_tags(){	
			$result = '';
			if('post' !== get_post_type()){
				return $result;
			}
			$separate_meta = __( ', ', 'twentyseventeen' );		
			$categories_list = get_the_category_list( $separate_meta );
			$tags_list = get_the_tag_list( '', $separate_meta );			
			if(($categories_list && twentyseventeen_categorized_blog() ) || $tags_list){
				$result .= '<span class="cat-tags-links">';		
				if($categories_list && twentyseventeen_categorized_blog()){
					$result .= '<br />&nbsp;<span class="cat-links">' . twentyseventeen_get_svg( array( 'icon' => 'folder-open' ) ) . '<span class="screen-reader-text">' . __( 'Categories', 'twentyseventeen' ) . '</span>' . $categories_list . '</span>';
				}
				if($tags_list && !is_wp_error($tags_list)) {
					$result .= '<br />&nbsp;<span class="tags-links">' . twentyseventeen_get_svg( array( 'icon' => 'hashtag' ) ) . '<span class="screen-reader-text">' . __( 'Tags', 'twentyseventeen' ) . '</span>' . $tags_list . '</span>';
				}
				$result .= '&nbsp;</span>';
			}
			return $result;
		} 
	}
?>

<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
	<?php
	if ( is_sticky() && is_home() ) :
		echo twentyseventeen_get_svg( array( 'icon' => 'thumb-tack' ) );
	endif;
	?>
	<header class="entry-header">
		<?php		
		if('post' === get_post_type()){
			echo '<div class="entry-meta">';
				if ( is_single() ) {
					twentyseventeen_posted_on();
					echo ' - '; comments_popup_link(); echo ' '; twentyseventeen_edit_link();
					echo categories_and_tags();					
				} else {
					echo twentyseventeen_time_link();
					echo ' - '; comments_popup_link();  echo ' '; twentyseventeen_edit_link();
					echo categories_and_tags();					
				};
			echo '</div><!-- .entry-meta -->';
		};

		if ( is_single() ) {
			the_title( '<h1 class="entry-title">', '</h1>' );
		} elseif ( is_front_page() && is_home() ) {
			the_title( '<h3 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h3>' );
		} else {
			the_title( '<h2 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h2>' );
		}
		?>
	</header><!-- .entry-header -->


/* ... twentyseventeen/template-parts/post/content.php ... */