Get the terms of a POST with ID

How to get Terms of a Post

This function is used for getting the terms assinged for the post. This can bve used for the filter desing in the front like masonry 
and isotop filtering in front end desing.
 

$terms = get_the_terms( $post->ID , array( 'taxonomy-name') );

$cat_app = '';
$cat_name = '';

foreach ($terms as $key => $cat) {
  $cat_app = $cat->slug.' ';
  $cat_name = $cat->name.'';
}

The $cat_app contains catogory Slug
The  $cat_name contains category name