The underscore or low line character is used in typesetting systems to denote a subscript expression. For example, the symbol is typically used in a tex expression like this:

An underscore or underline is a line drawn under a segment of text. [a] In proofreading, underscoring is a convention that says "set this text in italic type ", traditionally used on manuscript or typescript as …

The underscore symbol serves various purposes, including its usage in programming. To input an underscore on most keyboard, press the SHIFT key and the - key (hyphen, typically located to the …

Jun 14, 2026 · Learn the underscore symbol (_) meaning, definition, keyboard shortcut, copy-paste, synonyms, and best practices for writing, filenames, and programming.

The underscore (_), also called a low line, is used in usernames and email-style text, coding, file names, and “fill-in-the-blank” lines (like Name_____). Quick note: underscore (_) is a character you type, …

6 days ago · The meaning of UNDERSCORE is to draw a line under : underline. How to use underscore in a sentence.

Sep 7, 2025 · Meaning of the underscore symbol, its uses on keyboards, in programming, and its differences from the underline. Explore when to use underscores in file names.

UNDERSCORE definition: 1. to underline 2. the character _ on a computer keyboard, used to draw a line under a letter or…. Learn more.

When creating web pages, the underscore can be used to create "white space" between words to prevent browser text from running together. It can also be used in e-mail addresses (such as …

Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives …