Glossary API Application and Content Provider Content Charging e-service infrastructure providers e-shop Macropayment Merchant Micropayment Mobile business Mobile Payment Payment Service Provider Prepaid Volume Charging Electronic shop representation supporting at least a subset of steps: browsing (catalogue), shopping (ordering), payment and delivery. An e-shop is always associated with an explicit shopping and payment transaction. E-shops may cover soft (software, content and databases) and/or hard goods (CDs, books, travel tickets).