Complex sentence: A macroregion is a geopolitical subdivision that encompasses several traditionally or politically defined regions the meaning may vary, the common denominator being cultural, economical, historical or social similarity within a macroregion.
Split into simpler sentences: A macroregion is a geopolitical subdivision that encompasses several traditionally or politically defined regions. The meaning may vary, with the common denominator being cultural, economical, historical or social similarity within a macroregion.