How does (.sa) ccTLD differ from (.com) gTLD?

The (.sa) is the country code Top Level Domain (ccTLD) designated for domain names in Saudi Arabia. While (.com) is a generic Top Level Domain (gTLDs) that is open for commercial entities and others world-wide. The policies and administration of the (.sa) domain name are set and managed by SaudiNIC in CITC. While gTLDs are managed by ICANN.