How to make a “page-option” in WordPress

You can define a specific page template for the specific widget then you can select template page as on your navigation menu.

<?php
/*
Template Name: page one
*/
get_header();
?>

    <div class="main-wrap ">
        <?php
            if (is_active_sidebar( "widgetName" )) {
                dynamic_sidebar( "widgetName" );
            }
        ?>
    </div> 

<?php get_footer(); ?>