3 terms starting with O
OAuth is the authorization framework used by Shopify to grant third-party apps secure, scoped access to merchant store data without sharing passwords.
Omnichannel Commerce provides a seamless, integrated shopping experience across all channels - online store, physical retail, mobile app, social media, and marketplaces - with unified inventory and customer data.
Online Store 2.0 (OS 2.0) is Shopify's modern theme architecture that supports sections everywhere, app blocks, and improved performance.