Common knowledge/information is a level of the scaled Knowledge Hierarchy. Knowledge may be ciphered/encrypted by various means. Easy Difficulty/Common Knowledge is defined as:
Common knowledge is often what is the most easily understood elements, public knowledge, or rooted in an intuitive approach. Among skilled professions, such levels of knowledge are usually possessed by trade/skill Apprentices. Common Knowledge encompasses Primitive, Rudimentary, and Accomplished Learning – Acquire, Study, and Recall of Knowledge.
Example Scope of Typical Knowledge: “Humans walk on 2 legs, live in homes, have babies, and as mammals have live births.”
Typical target difficulty is DC 10; Learning/Knowledge (skill/Trait) level(s) 2-4.
i20 Skills REPLACE d20 skill proficiency: Add the skill level + modifiers to the check ( Proficiency Bonus not used).
A single Result Check to assess Success or Failure AND quality which may be impacted by conditions which indicate a Lack of Capability (Unfamiliar, Unproficient, etc.). The GM can { } Narrate it, and players may request an appropriate impact when anything other than a basic outcome is indicated. Character Points are Rewarded by the GM to improve Skills (and other Features).