Magento provides an Inline Translation tool that allows inline editing of phrases that are passed through translation mechanism. The phrases are edited by the end-user stored in database dictionaries. Translate library provides framework to support inline translation. The following components are provided in this library for inline translation:

Parser - Parser parses and saves edited translation, and replaces html body with translation wrapping
- ParserInterface, ParserFactory
Provider - Provider returns instance of inline translate class
- ProviderInterface and a Provider
Configuration - It can configure inline translation to be active or inactive or to allow client ip or not.
- ConfigInterface
State - It can disable, enable, suspend and resume inline translation.
- StateInterface and a State class
Resource - It stores and retrieve translation array
- ResourceInterface