A good resume will showcase your expertise and skills to a potential employer. Your work, education and professional experience should shine through on your resume. Properly explaining your levels of proficiency in foreign languages, computer software or other areas can help you stand out from the crowd and get called in for an interview.
Create a "Skills" section in your resume. This section is typically put toward the bottom of the resume, under educational background. If you plan on showcasing different skill sets, such as language and computing skills, then separate these into two sections: Language Skills and Computer Skills.
Write "Proficient In:" and list the languages/computer skills in which you are fluent. If you can speak some languages fluently, but can only write intermediately, note this in a parenthetical reference after you list the language.
Include only areas in which you are truly proficient or fluent. Do not include something on a resume that you are not comfortable being asked about during an interview.