Fate: A World of Hurt
Survival is the skill of making do with what is on hand to survive from one day to the next.
You use Survival to overcome obstacles relating to your environment, such as finding your waythrough rugged terrain, gathering edible food and potable water, and so on.
Survival allows you to create aspects based on utilising or manipulating your environment, such as making a trap or a foxhole, scrounging for supplies, building a shelter or tools, and otherwise altering the environment to suit your needs.
Survival is not used to attack.
Survival is not used to defend.