This is a bi-level deck made of low-maintenance AZEK decking and vinyl railing. The lower level provides easier access to the backyard.
Generally speaking, it's better for a multi-level deck to extend along the house (as with this project). With this design, the deck doesn't eat into the backyard. A deck with a lower level that extends out away from the house can sometimes be an eyesore, depending on the layout of the backyard.
For example: this project is designed so that the customer can put a small table and chairs on the upper level, yet there remains an unobstructed path from to door to the lower level.