Waving your hands

• Definition: Moving your hand back and forth, usually to greet, say goodbye, or get someone’s attention.

• Example:
  She waved her hand to say goodbye as the bus drove away.

• Interpretation:
  A hand wave can signal friendliness, greeting, or farewell. A fast, big wave might show excitement, while a small one might be more formal or shy.

 Anger 

• Definition: A strong emotion shown through facial expressions (like frowning), clenched fists, tense muscles, or aggressive posture.

• Example:
  His clenched jaw and narrowed eyes clearly showed he was angry.

• Interpretation:
  Angry body language can signal frustration, threat, or conflict. It's a warning that the person is emotionally upset or may act aggressively.

Nervous

• Definition: A state of anxiety or worry shown through fidgeting, avoiding eye contact, sweating, or tapping fingers.

• Example:
  She kept tapping her foot and biting her nails before the presentation.

• Interpretation:
  Nervous movements indicate discomfort, fear, or insecurity. They may also show lack of confidence or unpreparedness.

Staring

• Definition: Looking at someone or something for a long time without blinking much or looking away.

• Example:
  He kept staring at the screen, completely focused on the video.

• Interpretation:
  Staring can mean deep concentration or strong interest, but it may also be seen as rude, threatening, or creepy if done inappropriately.

Shaking your head

• Definition: Moving your head from side to side, usually to indicate "no" or disagreement.

• Example:
  She shook her head when asked if she wanted more food.

• Interpretation:
  This gesture typically signals disagreement, refusal, or disapproval. It can also show disappointment or disbelief depending on the context.