Skill Based (buy or gain skills)

A characters skills / abilities / powers are gained or purchased and generally not inherited or granted as with a character class.

Typically, Skills have values denoted by numeric systems (e.g., 1, 2, 5) or narrative tags (e.g., "good", "great", "expert"). Typically, Skills are considered to be learned components of characters, that can be learned, taught, and improved upon.