number_posts = numerical value to show how many posts you want per page, example 5. Can be -1 which means all posts will be displayed on one page

cat_slug = slug name of the category from which you want the posts to be displayed. Use a , for multiple categories

exclude_cats = slug name of the category you want to exclude. Use a , for multiple categories

title = one of these values: yes, no. This will show or hide the title

thumbnail = one of these values: yes, no. This will show or hide the image thumbnail

excerpt = one of these values: yes, no. This will show or hide the excerpt

excerpt_words = numerical value that controls length of excerpt

meta_all = one of these values: yes, no. This will show or hide all meta info

meta_author = one of these values: yes, no. This will show or hide the author