The Santa Barbara Fire Safe Council has created a short video on defensible space. Find it here: https://sbfiresafecouncil.org/get-ready/
Most homes lost to wildfire are first ignited by embers and small flames. By decreasing the susceptibility of the home and the immediate area surrounding the home, the chances of your home surviving an ember storm are greatly increased. Work in the Home Ignition Zone is also called creating “defensible space”.