Never use technical or numeric gibberish to name a component when a plain-language name will do. In the early days of personal computing, clumsy systems like ms-dos and Windows 3.x imposed an “eight-dot-three” file name convention that forced users to make up cryptic codes for file and directory names (for example, “whtevr34.htm”). No word spaces and few non-alphanumeric characters were allowed in file names, so technologists often used characters like the underscore to add legibility (for example, “cats_003.htm”).