Commonly known as "sign language" and "gesture". Sign language is a way to express thoughts and communicate through hand movements and facial expressions. There are many movements of upper limbs and body when using, and there are two kinds of expression systems: (1) does not completely follow the spoken language rules, and there is no strict order in the expression process. (2) Fully follow the grammatical rules of spoken language, and the expression process is consistent with spoken and written language. Because of the limited expressive power of hands, the concept of expression is not as accurate as that of audio language, and it is difficult to express abstract ideas. In deaf education, it should be combined with other language forms.

Chinese name: sign language is also called "sign language" and "gesture" type: a definition in sign language: communication means carrier: hand movements and facial expressions match: thumb, index finger, middle finger, little finger, calling, agreeing, despising, saying goodbye, worrying and thumb up are the most commonly used gestures in China. Expressing praise and approval means "good", "wonderful", "great", "brilliant", "absolute", "best", "top notch" and "reaching the peak". In Nigeria, when guests come, they should extend their thumbs to express their greetings to friends far away. In Japan, this gesture means "man" and "your father". In Korea, it means "head", "father", "minister" and "captain". In the United States, Mexico, the Netherlands, Sri Lanka and other countries, this gesture means praying for good luck; In the United States and India; France, on the other hand, sticks out its thumb horizontally when blocking a ride to show that it wants to take a ride. In Indonesia, give me your thumb. But in Australia, thumbs-up is a rude gesture. Sign language, thumbs down. Many countries and regions in the world use this gesture, but the meaning is not the same. In China, thumbs down mean "down" and "below". In Britain, the United States and the Philippines, a thumbs down * means "unacceptable", "disagree", "over" or "the other side lost". Mexicans and French people use this gesture to mean "useless", "dead" or "bad luck". In Thailand, Myanmar, Philippines, Malaysia and Indonesia, thumbs down means "failure". In Australia, this gesture is used to express ridicule and ridicule. In Tunisia, thumbs down means "pour water" and "stop". The index finger is extended upward. Many nationalities in the world use this gesture, but the meaning is different. China people hold up their forefinger to indicate numbers, which can refer to integers such as "one" or "ten", "one hundred" and "one thousand". In Japan, Korea, Philippines, Sri Lanka, Indonesia, Saudi Arabia, Mexico and other countries, the index finger only means one (secondary) meaning. In America, you should use this when you ask the other person to wait. Gestures. In France, only when a student raises his index finger in class will the teacher ask him to answer questions. In Singapore, when talking, you extend your index finger to show that what you are talking about is the most important thing. In Myanmar, this gesture is used when asking for help or something from others. In Australia, in bars and restaurants, the index finger sticks up, indicating "please give me a beer". In Mexico, Myanmar, Japan and Malaysia, this gesture means the first in order. In the Middle East, it is impolite to point at people with your index finger. Stretch out the forefinger and middle finger In most European countries, people often stretch out the forefinger and middle finger of their right hand in daily communication and make a "V" gesture to indicate "victory". "V" is the first letter of the English word victory. Legend has it that the V-shaped gesture was invented by a Belgian named Victor Delavelli during the Second World War. In the radio address at the end of 1940, he called on his compatriots to rise up against the German aggressors and mobilized people to write the word "V" everywhere to show their confidence in victory. Since then, the "V" gesture has spread like wildfire. In particular, the then British Prime Minister Churchill used this "V" gesture in a parade, which made this gesture spread quickly and widely. However, when you make this gesture, you must remember that your palms are outward and your fingers are inward, especially in Britain, because in most European countries, making a "V" gesture with the back of your hand outward and your palms inward means making people "go away", while in Britain it means immoral things. In China, the symbol "V" stands for the number "2", "second" or "scissors". In African countries, "V" gesture generally means two things or two things. In most European countries, people stretch their arms horizontally forward, and then stretch out their index fingers and little fingers to make horns to show that they want to protect themselves from monsters. In some African countries, if this gesture is aimed at someone, it means to make that person unlucky. In many countries in Latin America, the hand with the index finger and the little finger erected indicates "good luck". But in Italy, this gesture means that the wife is having an affair. The bent index finger represents the number "9" in China; In Japan, it means thief; In Thailand and the Philippines, keys and locks are marked; In Korea, it means that there is an error and the measurement is small; In Thailand, Singapore and Malaysia, it means death; Represents the number "5" in Myanmar; British and American people use this gesture to address someone. Shake people with your index finger to express dissatisfaction, opposition or warning in Britain and America. The middle finger and forefinger overlap in China, indicating the numbers "10" and "plus sign"; In Hong Kong, this gesture means "intimacy". In Britain, the United States, France, Mexico, Singapore, the Philippines and Malaysia, this gesture means "wish" and "pray for good luck". In Australia, it means "expectation" and "expectation". In Sri Lanka, it means "twists and turns" and "evil". In India, it means "end" and "completion". In Holland, it means "swear", "swear" or "the other party is lying". In Nigeria, it means adding things or numbers. Stretching out the middle finger upwards, in some places in China, it means "nonsense", and Sichuan and other places use this gesture to express insults to each other; In the Philippines, it expresses anger, hatred, contempt and curse; In the United States, France and Singapore, express anger and extreme unhappiness; Not in Mexico. In China, the little finger pointing upward means small, insignificant, clumsy, the worst grade or ranking, and can also mean contempt; In Japan, it means woman, girl and lover; In Korea, it means wife, girlfriend, or bet; In the Philippines, it means small, young or the other person is a nobody; Express friends and make friends in Thailand or Saudi Arabia; In Myanmar and India, they said they wanted to go to the toilet; In America, it means a coward or a bet. The middle finger, ring finger and little finger are straight, which means the number "0" or "3" in China; In Japan, Korea and Myanmar, it is expressed in money; Say that Thailand is no problem; In Indonesia, it means doing nothing, doing nothing and not succeeding; In Britain and the United States and other countries, it is generally used to solicit opinions from the other side or answer the other side's reply, indicating agreement, greatness and smoothness, which is generally equivalent to "OK" in English; In the Netherlands, it is said that it is going well; In Brazil, it is considered as a temptation to women or an insult to men. When you call a waiter in America, your palms are up and your fingers are stretched out several times. In some Asian countries, waiters can't use this gesture because people often use it to address dogs or other animals or children. In Japan, when greeting service, the arm is up, the finger is down, and the other person will understand. When eating in an African restaurant, the waiter usually knocks on the table. In Middle Eastern countries, when you call someone, clap your hands gently and the other person will know. Agree Generally speaking, when the two sides talk about things successfully, they should not only say "agree" and "agree", but also nod with a smile. In Pakistan, Bulgaria, Albania, Nepal, Thailand and other countries, nodding your head means no (or bad) and shaking your head means yes (or good); Indians show their agreement by shaking their heads or tilting their heads; Africans often can't help but open their arms, lift them up and hold their fists with the other hand to show great satisfaction; Arabs will make a fist with their hands and slowly wave their index fingers outward to show their approval and agreement. When Arabs are dissatisfied with people and hate people, they often sit there and point at each other with the soles of their feet to vent their anger and show contempt. Therefore, when dealing with Arabs, we must not cross our legs. When you are in contact with Arabs, don't be at a loss, let alone deliberately annoy them. In many countries, people raise their right arms and wave goodbye. In some eastern countries, such as India, Myanmar, Pakistan, Malaysia and China, when people say goodbye, they often raise their hands and shake them to their side, which is often easily confused with general greeting gestures; In Italy, it is customary to extend your right hand, palm up, and keep opening and closing to say goodbye. Worried that some Asian countries encounter nerve-racking or unsatisfactory things, they are used to raising their right hands and scratching their scalp; In Japan, this gesture expresses anger and dissatisfaction; Most western countries often scratch their heads to show that they don't understand or understand.