item; heading; category; headword (in a dictionary, encyclopedia, etc.); entry
clause; article; stipulations
point in common; common term; common trait; common denominator
closely-guarded secret; top secret
necessary information; required fields (e.g. in a form)
important matter; matters of weight
important points; main points
preceding clause; previous paragraph; antecedent (of a ratio)
like terms; similar terms; same kind; same class
next clause; following paragraph; next item
relevant items; applicable items
ternary operator; conditional operator