IEC TR 62687:2015（E）包含IEC、ISO和ITU出版物中用于设备（包括一些相关领域）的图形符号领域的术语（术语表）集合。出于澄清的目的，对一些术语进行了注释和/或修改。第二版取消并取代了2011年出版的第一版。本版本为技术修订版，与上一版本相比包含以下重大技术变更: -标题由“术语”改为“词汇”； -增加了附件A。

IEC TR 62687:2015(E) contains a collection of terms (glossary) used in IEC, ISO and ITU publications in the field of graphical symbols for use on equipment including some related fields. Some terms are annotated and/or modified for the purpose of clarification. This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision and includes the following significant technical changes with respect to the previous edition:
- The title has changed from "terminology" to "vocabulary";
- Annex A has been added.