php - how can i find this html file in WordPress project

I just received this WordPress project in work and i have little experience in WordPress, i need to edit title and button because it has wrong URL link but i cant find where this this page is in the project. this is how the page looks from inspect :

```<html lang="en-US" class="no-js"><head>``
    <!-- keywords -->
    <meta charset="UTF-8">
    <!-- viewport -->
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <!-- profile -->
    <link rel="profile" href="https://gmpg.org/xfn/11">
    <title> big tag company</title>

and this is the page in the project :

<!DOCTYPE html>
<html <?php language_attributes(); ?> class="no-js">
    <head>
        <!-- keywords -->
        <meta charset="<?php bloginfo( 'charset' ); ?>" />
        <!-- viewport -->
        <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
        <!-- profile -->
        <link rel="profile" href="https://gmpg.org/xfn/11" />
        <?php wp_head(); ?>
    </head>
    <?php
    $litho_custom_attr_body = '';
    
    if ( function_exists( 'litho_custom_attr_helper_obj' ) ) {
        ob_start();
        litho_custom_attr_helper_obj()->attr( 'body' );
        $litho_custom_attr_body = ob_get_contents();
        ob_end_clean();
    }
    ?>
    <body <?php body_class();?> <?php echo sprintf( '%s', $litho_custom_attr_body ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>>
    <?php
        if ( function_exists( 'wp_body_open' ) ) {
            wp_body_open();
        } else {
            do_action( 'wp_body_open' );
        }

        get_template_part( 'templates/header/header', 'wrapper' );

it seems like it is in get_head() function ? if thats right how can i find this function please ?

this is tamplate/header.php file :

<?php
/**
 * The template for displaying the main header builder
 *
 * @package Litho
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

$litho_data_sticky_column       = '';
$litho_nav_class                = array( 'header-common-wrapper', 'header-img' );
$litho_enable_header_general    = litho_builder_customize_option( 'litho_enable_header_general', '1' );
$litho_enable_header            = litho_builder_option( 'litho_enable_header', '1', $litho_enable_header_general );
$litho_header_section_id        = litho_builder_option( 'litho_header_section', '', $litho_enable_header_general );

/* Main header section */
if ( 1 == $litho_enable_header && ! empty( $litho_header_section_id ) ) {
    
    $litho_header_sticky_type       = get_post_meta( $litho_header_section_id, '_litho_header_sticky_type', true ); /* Header sticky type */
    $litho_template_header_style    = get_post_meta( $litho_header_section_id, '_litho_template_header_style', true ); /* Header style */

    $litho_template_header_style    = ( ! empty( $litho_template_header_style ) ) ? $litho_template_header_style : 'standard';
    $litho_header_sticky_type       = ( ! empty( $litho_header_sticky_type ) ) ? $litho_header_sticky_type : '';

    $litho_nav_class[]              = $litho_template_header_style;
    $litho_nav_class[]              = 'navbar';

    switch ( $litho_template_header_style ) {
        
        case 'standard':
        default:
            $litho_nav_class[] = 'navbar-expand-lg';
            
            if ( ! empty( $litho_header_sticky_type ) ) {
                $litho_nav_class[]  = $litho_header_sticky_type;
            }

            if ( 'no-sticky' != $litho_header_sticky_type ) {
                $litho_nav_class[] = 'fixed-top';
            } 

            break;
        case 'left-menu-classic':
        case 'left-menu-modern':
            $litho_nav_class[]          = 'header-left-wrapper';
            $litho_data_sticky_column   = ' data-sticky_column';
            break;
    }
}

$litho_header_wrapper_class = apply_filters( 'litho_main_header_wrapper_class', $litho_nav_class ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
$class = ( is_array( $litho_header_wrapper_class ) ) ? ' ' . implode( ' ', $litho_header_wrapper_class ) : '';
?>
<nav class="<?php echo esc_attr( $class );?>"<?php echo esc_attr( $litho_data_sticky_column );?>>
    <?php
        if ( current_user_can( 'edit_posts' ) && ! is_customize_preview() && ! empty( $litho_header_section_id )  ) {
            $edit_link = add_query_arg(
                array(
                    'post'        => $litho_header_section_id,
                    'action'      => 'elementor',
                ),
                admin_url( 'post.php' )
            );
        ?>
        <a href="<?php echo esc_url( $edit_link ); ?>" target="_blank" data-placement="right" title="<?php echo esc_attr__( 'Edit header section', 'litho' ) ?>" class="edit-litho-section edit-header litho-tooltip">
                <i class="ti-pencil"></i>
        </a>
    <?php
    }
    ?>
    <?php do_action( 'theme_header' ); ?>
</nav>```

Answer

Solution:

Please go to wp-content->themes->current activated theme directory->templates->header->open header.php file

Source