How do you say hello and goodbye in sign language?

You can't say "hello" and "goodbye" in sign language in the same way you do in spoken language. Sign language is a visual language, so greetings and farewells are expressed through gestures and facial expressions. Here's how you can sign a greeting and farewell in American Sign Language (ASL):

Greeting:

* Wave: The most common greeting in ASL is simply waving your hand. You can wave with your whole hand or just your fingers, depending on the context.

* "Hi" Sign: This sign is made by bringing your dominant hand to your forehead, palm facing you, and then moving it out in a slight arc. You can use this sign with a slight nod or a smile for a friendly greeting.

* "Good Morning/Afternoon/Evening" Signs: ASL has specific signs for each time of day. You can use these signs in conjunction with a wave or "Hi" sign.

Farewell:

* Wave: Again, waving is a common way to say goodbye in ASL.

* "See you later" Sign: This sign is made by bringing your dominant hand up to your forehead with your palm facing you and then moving it down in a slight arc.

* "Goodbye" Sign: This sign is made by bringing your dominant hand up to your forehead with your palm facing you and then moving it down in a straight line.

* "See you tomorrow" Sign: This sign is made by bringing your dominant hand up to your forehead with your palm facing you and then making a small circle with your fingers.

Important to Note:

* Sign language is highly regional. There may be different signs for "hello" and "goodbye" in other sign languages, such as British Sign Language (BSL).

* Facial expressions play a crucial role in conveying meaning in sign language. A smile and a friendly expression are often used to accompany greetings, while a wave with a thoughtful or serious look can indicate a farewell.

It's best to learn these greetings and farewells from a qualified ASL teacher or interpreter to ensure you're using them correctly and respectfully.