How to display images and content out of WordPress theme?

Many new friends working with WordPress will not know how to display the data in WordPress theme.
There are many ways to display the data segment.

1. Use plugins to display data as you like. (You can see how the plugins are displayed according to the instructions).
2. Use programming code:
   PHP is the main language of WordPress. You use how to set up HTML, CSS structured data …
   Example: Display image
   
   Display Title:
   
   Show text:
   
   In the function file, there must be the following code:
   // Content Limit
   function the_content_limit ($ max_char, $ more_link_text = ‘(more …)’, $ stripteaser = 0, $ more_file = ”) {
   $ content = get_the_content ($ more_link_text, $ stripteaser, $ more_file);
   $ content = apply_filters (‘the_content’, $ content); $ content = str_replace (‘]]>’, ‘]]>’, $ content);
   $ content = strip_tags ($ content);
   if (strlen ($ _ GET [”])> 0) {
   echo “”; echo $ content; echo “”. “”; echo “”;
   }
   else if ((strlen ($ content)> $ max_char) && ($ espacio = strpos ($ content, “”, $ max_char))) {
   $ content = substr ($ content, 0, $ espacio); $ content = $ content; echo “”;
   echo $ content;
   echo “…”;
   echo “”. $ more_link_text. “
   “; echo” “;
   } else {
   echo “”; echo $ content; echo “
   “.” ..
   “; echo” “;
   }}
   Show Tags:
   …
   You can use the While loop structure.
   For example:

Good luck.