Affection 

정 = affection, attachment, bond, caring

Feelings, Intention 

표정 = facial expression (표 = show, display, express)
감정 = feeling, emotion (감 = feel)
열정 = passion (열 = heat) 
우정 = friendship (우 = friendly) 

인정 = humanity, human nature
동정심 = compassion, sympathy (동 = together, same)
동정하다 = to sympathise, commiserate,  pity
다정하다 = to be kind, friendly, warm-hearted
정욕 = lust, sexual desire
애정 = affection, love
무정 = apathy, heartlessness

Information, Story, Meaning

정보 = information (보 = report

사정 = reason, situation (사 = event)

실정 = the actual situation