Wave Basics: What Is Wave, Phase & Velocity?

[Gurasees]

What is a wave, phase, phase velocity and group velocity?
I don't need the defination but understanding in such a way that i can form an image in the mind.

 

[Vanadium 50]

Have you seen this? https://www.physicsforums.com/threads/very-little-excuse-to-ask-a-question-cold.765735/

It might help you better reformulate this question.

 

[Gurasees]

i want to know just the basics about what is a wave, the disturbance, how it is traveling ahead. i want to form an image in my mind.

 

[Vanadium 50]

Repeating the question is not going to help.