共通

共通	gòng tōng	universal; applicable to all (or both) / shared; common
共	gòng	common / general / to share / together / total / altogether / abbr. for 共产党, Communist party
通	tōng	to go through / to know well / (suffix) expert / to connect / to communicate / open / to clear / classifier for letters, telegrams, phone calls etc
通	tòng	classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)