The phrase "text explanation" refers to when information or instructions are provided in written form, usually using words or sentences, instead of being shown through visuals or spoken. Full definition
Instead of simple text explanations, explanations can be given through animations and audio. (elearningindustry.com)
For example, the first point highlights a statistic using charts and a short text explanation. (growthengineering.co.uk)
This application doesn't copy any part of the overall game, nor will it contain screenshots of the overall game, only original text explanations. (windowspcdownload.com)