• When your HP reaches 0, you become incapacitated in battle. You can recover your HP by using @Sleep at @Home.

• MP is consumed when using magic or skills. You can recover your MP by using @Sleep at @Home.

• Increases the damage dealt to opponents when using attacks, physical attacks, magic, or skills.

• Decreases the damage received from enemies when using attacks, physical attacks, magic, or skills.

• The higher your agility is compared to your opponent, the higher your evasion rate and critical hit rate.

• You current job.

• Your previous job.

• You level up by exceeding a certain amount of experience points.

• As you engage in quest and casino activities, fatigue will accumulate. If your fatigue level exceeds 100%, you will no longer be able to quest or play at the casino. You can recover your fatigue by using @Sleep at @Home.

• Skill points. Magic and skills can be obtained and used by exceeding the SP required in a given job. You can also increase your stats by offering your SP at the Fountain of Wishes.
• Each time you level up, your skill points increase by 1.
• You can also increase your SP by 1 by using a Skill Seed.
• When you change job, your current SP will become 0.
• However, your former job will retain the SP it had before you changed job.
• If you change to the same job you currently have, only your level and experience points will become 0; your SP will remain as it is. See Alltrades Abbey for more details.

The term "agility" here is unrelated to waiting time.
The waiting time is the same for everyone.