A domain name is the unique name given to a website. It has two parts - the name and the extension.
Generic domain extension
Sponsored domain extension
Country code domain extension
ecommerce, commercial businesses, bloggers
network based technologies
non profit organisation
company or corporation
.com is a more popular TLD extension than .net. Most businesses opt for .net extension if .com is unavailable.
Both convey different meanings. Charities, open source platforms, free educators use .org.
They are rival extensions. However, .co is more expensive and its website owners find it difficult to brand themselves effectively.
Both are used by commercial organizations. But, .biz represent a business focused on profit.
Choose a TLD extension based on industry niche, versatility, cost, trustworthiness and memorability.