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Eponymous medical signs are those that are named after a person or persons, usually the physicians who first described them, but occasionally named after a famous patient. This list includes other eponymous entities of diagnostic significance; i.e. tests, reflexes, etc.
Hat tip or doff, a salutation or show of respect made by two people removing their hats. Head bobble, an affirmative response or acknowledgement common in India. Head shake, indicates a negative reaction to a query or a rejection in English-speaking cultures; also used occasionally in disbelief.
It describes 763 signs in 26 categories (A–Z, roughly). Georg Möller compiled more extensive lists, organized by historical epoch (published posthumously in 1927 and 1936). In Unicode, the block Egyptian Hieroglyphs (2009) includes 1071 signs, organization based on Gardiner's list.
Gardiner's sign list is a list of common Egyptian hieroglyphs compiled by Sir Alan Gardiner. It is considered a standard reference in the study of ancient Egyptian hieroglyphs. Gardiner lists only the common forms of Egyptian hieroglyphs, but he includes extensive subcategories, and also both vertical and horizontal forms for many hieroglyphs.
Traffic warning signs with lights. Some warning signs have flashing lights to alert drivers of conditions ahead or remind drivers to slow down. In Britain, they are called warning lights. Flashing lights can be dangerous for people with certain forms of epilepsy and/or sensory processing disorder.
Semiotics (/ ˌ s iː m i ˈ ɒ t ɪ k s, ˌ s ɛ m-,-m aɪ-/ SEE-mee-OT-iks, SEM-, -my-) is the systematic study of sign processes and the communication of meaning.In semiotics, a sign is defined as anything that communicates intentional and unintentional meaning or feelings to the sign's interpreter.
This is a list of emoticons or textual portrayals of a writer's moods or facial expressions in the form of icons. Originally, these icons consisted of ASCII art, and later, Shift JIS art and Unicode art. In recent times, graphical icons, both static and animated, have joined the traditional text-based emoticons; these are commonly known as emoji.
Mudra is used in the iconography of Hindu and Buddhist art of the Indian subcontinent and described in the scriptures, such as Nātyaśāstra, which lists 24 asaṁyuta ("separated", meaning "one-hand") and 13 saṁyuta ("joined", meaning "two-hand") mudras. Mudra positions are usually formed by both the hand and the fingers.