Two dots

The term two dots or double dot may refer to:

Orthography

 * Colon (punctuation), the punctuation mark
 * Two dots (diacritic), a mark used with a base letter to indicate that its pronunciation is somehow modified (◌̈ ◌̤)
 * Diaeresis (diacritic), the diacritic mark used to denote the separation of two consecutive vowels
 * Umlaut (diacritic), the diacritic mark to indicate the vowel-fronting sound change
 * Metal umlaut, gratuitous diacritic used in the names of some rock bands
 * Ethiopic wordspace (፡), a word divider in Geʽez script
 * In old Turkic script, a colon-like symbol  is sometimes used as a word separator
 * , two vertical dots used to indicate a question in fifth century Syriac manuscripts
 * Two dot punctuation mark, used as an obelism

Other

 * Two Dots (game), a puzzle game for Android and IOS
 * Leader (typography) Row of dots used in tables of contents (usually more than two)
 * Ellipsis (computer programming), a notation (two or three dots) is used to denote programming ranges, an unspecified number of arguments
 * A parent directory in a relative path
 * A second derivative in Newton's notation