Original 1970s flag featured eight colors by Gilbert Baker. Pink was removed due to fabric availability. Later simplified to six colors: red, orange, yellow, green, indigo, violet
The backwards 3 (Ɛ) is a Greek letter representing the reverse 3. It is commonly used as a love symbol on social media. Can be combined with ">" sign to form "Ɛ>"
Heart symbol (♥) uses Alt + 3 shortcut on numeric keypad. Unicode code 2665 can be typed using Alt + X. Character Map can be used to copy and paste symbols
Infinity symbol represents infinite numbers and is used in various contexts. Symbol can indicate acid-free paper in bookbinding
Diameter symbol (Ø) indicates circle diameter and cylindrical object width. Used in mathematics, engineering, science, music, photography, and linguistics
Crescent represents lunar phase in northern hemisphere's first quarter. Derived from Latin "crescere" meaning "to grow". Classical crescent has horns pointing upward. Used as astrological symbol for Moon and alchemical symbol for silver