本文件定义了电子收费（EFC）领域内的术语。 本文件定义: -电子收费和道路使用者收费领域内的条款； -与电子收费相关的标准中使用的术语； -在与电子收费相关的标准中更具体地使用的更通用术语。 本文件未定义: -主要与EFC合作的其他领域相关的术语，如智能交通系统（ITS）、通用支付系统、金融部门等的术语。 -不推荐使用的术语。

This document defines terms within the field of electronic fee collection (EFC). This document defines: — terms within the fields of electronic fee collection and road user charging; — terms that are used in standards related to electronic fee collection; — terms of a more general use that are used more specifically in standards related to electronic fee collection. This document does not define: — Terms related primarily to other fields that operate in conjunction with EFC, such as terms for intelligent transport systems (ITS), common payment systems, the financial sector, etc. — Deprecated terms.