Resume Language Proficiency. It's standard to say that you are 'fluent' in Spanish. What would be the ideal description?
Globally understood descriptions of language proficiency. There are several aspects of most languages (reading, writing. There is no singular definition of language proficiency, however.
Problem: Language is such a complex thing to explain simply.
Language-Specific Resources - Resources for each language.
Can understand a wide range of demanding, longer texts, and recognise implicit meaning. Don't put languages on your resume in which you have low levels of fluency. If your language proficiency ranges from professionally conversational to native (essentially, intermediate to advanced), it has a place on your resume.