A skill allows you to learn abilities that let you gather or craft items.
To create a skill, find (or create) the GameName/Resources/GameName/Recipe folder in the project tab and right click. Choose Create > AnyRPG > Skills > Skill.
The minimum level which the character must reach to learn this skill.
If true, this skill will be automatically learned upon reaching the Required Level.
A list of Abilities that will be learned when the skill is learned. These should generally be Gathering Abilities or Crafting Abilities, but that is a suggestion, not a hard requirement.