common|adjective|usual; happening often; beliefs or ideas shared by many people (“a common purpose”)
history|noun|all the events of the past; the study of past events
information|noun|knowledge; facts
know|verb|to understand something as correct; to have the facts about; to recognize someone because you have met and talked together before
learn|verb|to gain knowledge or skill by study, practice, experience or being taught; to come to know information or facts by hearing or reading
truth|noun|something that is true, not false
