Here are some examples:
* "Thumbs up": means "good" or "okay"
* "Peace sign": means "peace" or "victory"
* "OK" sign: means "okay" or "all right"
* "Shaking your head": means "no"
* "Nodding your head": means "yes"
It's important to note that the meaning of emblematic gestures can vary across cultures, so it's always best to be aware of your audience.