The main files used in wordpress are:-

☛ index.php :- for index page.

☛ single.php :- for single post page.

☛ page.php :- display the static pages.

☛ category.php :- Display the category page.

☛ archive.php :- For archive page display.

☛ tag.php :- For display the tags page.

☛ author.php :- For display author page.

☛ search.php :- For display the search result page.

☛ 404.php :- For display 404 error page.

☛ taxonomy.php :- For display the taxonomy archive.

☛ attachment.php :- For managing the single attachments page.

☛ header.php :- For managing top part of page.

☛ footer.php :- For manage bottom part of pages.