How to use shortcode?

Hi there how do you use the shortcode I put just [br_products_of_day] and it’s not displaying how do these bit’s work in your instructions? Sorry newbie!

Options:

title – any text that you whant for title
products_count – count of products to display
random –
type – types of widget:
default – like products on your shop
slider – products in slider
count_line – products count per line or per slide for sliders type
thumbnails – display product thumbnails
add_to_cart – display add to cart button after products
quick_view – display Quick View button ( only if plugin WooCommerce Product Preview installed and activated )
hide_outofstock – hide products, that out of stock