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What Is E-commerce?
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Updated 18 September 2026
Quick Answer
E-commerce is the buying and selling of goods or services online — through a dedicated store, marketplace, or website — covering everything from browsing to checkout and payment.
E-commerce vs. Marketplace — What's the Difference?
| E-commerce | Marketplace | |
|---|---|---|
| Where it happens | Your own website/store | A third-party platform (Amazon, Etsy) hosting many sellers |
Why It Matters
- It removes geographic limits on who can buy from you, unlike a purely physical, walk-in business.
- Choosing the right platform (Shopify vs. a general website builder) significantly affects how easy it is to manage products, payments, and shipping.
How It Works
- Products or services are listed online with pricing and descriptions.
- Customers browse, add to cart, and check out through a payment provider.
- Orders are fulfilled — shipped physically, or delivered digitally.
Key Takeaways
- E-commerce is buying and selling online, through your own store or a marketplace.
- It removes geographic limits compared to a purely physical business.
- Choosing the right platform upfront avoids a disruptive switch later.
Frequently Asked Questions
Do I need a dedicated e-commerce platform?
For a business primarily selling products, a platform built for e-commerce (like Shopify) is usually easier than adapting a general website builder.
Can I sell through both my own site and a marketplace?
Yes — many businesses use both, treating a marketplace as an additional channel alongside their own store.
What's the biggest early decision for e-commerce?
Choosing a platform genuinely built for your product type and volume — switching later is more disruptive than choosing carefully upfront.