get only 1 wpdb and get taxonomy, post to next page [closed]

by

For 1st question

$args = array(
  'post_type' => 'us_visa',
  'posts_per_page' => -1,
  'orderby' => 'post_date',
  'order' => 'DESC',
  'meta_query' => array(
     array(
       'key' => '_Passport',
       'value' => $passport_num,
     )
   )
);

$query = new WP_Query( $args );

See Custom Field Parameters of WP_Query on Codex

For 2nd question, inside the loop use

<?php the_terms( get_the_ID(), 'visa_processing', '<p>', "https://wordpress.stackexchange.com/", '</p>') ?>

See the_terms docs on Codex

Sorry, I don’t understand the 3rd Question.