Use

Use is a keyword and refers to some in-game action, like skill use or trap use. Usually skill consists of few stages/characteristics as can store uses, limit of uses and other. Generally use, like skill use, consists of animated starting action and other time counted parts. If some skill have cast speed as initial action and cooldown, the total time of using skill is the sum of this periods. In other words the frequency of using this skill is the ( cast speed + cooldown ).