 :this article is about the graphic. for the american reggae group, see stick figure. thumb|upright|a stick figure showing eyes and a mouth. a stick figure is a very simple drawing of a person or animal, composed of a few lines, curves, and dots. in a stick figure, the head is represented by a circle, sometimes embellished with details such as eyes, mouth or crudely scratched-out hair. the arms, legs and torso are all represented by straight lines. details such as hands, feet and a neck may be present or absent, and the simpler stick figures display an ambiguous emotional expression. graffiti of stick figures are found throughout history, often scratched with a sharp object on hard surfaces such as stone or concrete walls. stick figures are often used in sketches for film storyboarding. == history == the stick figure's earliest roots are in prehistoric art. tens of thousands of years later, writing systems that use images for words or morphemes&mdash;e.g. logographies such as egyptian and chinese&mdash;started simplifying people and other objects to be used as linguistic symbols. there is also a modern history that traces at least in part from rudolf modley's extending the use of figures from isotype for commercial use. the first international use of stick figures is in the 1964 summer olympics in tokyo. pictograms created by japanese designers masaru katzumie and yoshiro yamashita formed the basis of future pictograms. in 1972, otl aicher developed the round ended, geometric grid based stick figures used on the signage, printed materials, and television for the 1972 summer olympics in munich. drawing on those and many other similar symbol sets in use at the time, in 1974 and 1979 aiga (commissioned by the u.s. department of transportation) developed the dot pictograms&mdash;50 public domain symbols for use at transportation hubs, large events, and other contexts in which people would know a wide variety of different languages. these, or symbols derived from them, are used widely through much of the world today. file:leo petroglyph, human stick figure.jpg|a stick figure at the prehistoric leo petroglyph in the united states. file:aiga drinkingfountain.svg|the aiga symbol for drinking fountain. file:olympic games 1972 cycling 0533.jpg|one of otl aicher's stick figure signs at the 1972 munich olympics. aicher's ubiquitous pictograms form the template for many subsequent designs.  thumb|stick figure example through video == computer animation == [[file:stickwalkav.
Animation_techniques Drawing