WP - Comments Args and Form

comments.php

<?php 
	$args = array(
		'walker'            => null,
		'max_depth'         => '',
		'style'             => 'ul',
		'callback'          => null,
		'end-callback'      => null,
		'type'              => 'all',
		'reply_text'        => 'Reply',
		'page'              => '',
		'per_page'          => '',
		'avatar_size'       => 80,
		'reverse_top_level' => null,
		'reverse_children'  => '',
		'format'            => 'html5', // or 'xhtml' if no 'HTML5' theme support
		'short_ping'        => false,   // @since 3.6
		'echo'              => true     // boolean, default is true
	); ?>

    <?php wp_list_comments($args, $comments); ?>

    <?php 
	$comments_args = array(
		// change the title of send button 
		'label_submit'=>'Send',
		// change the title of the reply section
		'title_reply'=>'Write a Reply or Comment',
		// remove "Text or HTML to be displayed after the set of comment fields"
		'comment_notes_after' => '',
		// redefine your own textarea (the comment body)
		'comment_field' => '<p class="comment-form-comment"><label for="comment">' . _x( 'Comment', 'noun' ) . '</label><br /><textarea id="comment" name="comment" aria-required="true"></textarea></p>',
	);

	comment_form($comments_args); ?>