Answer:

verb (used with object)

to express gratitude, appreciation, or acknowledgment to:

She thanked them for their hospitality.

noun

Usually thanks . a grateful feeling or acknowledgment of a benefit, favor, or the like, expressed by words or otherwise:

to return a borrowed book with thanks.

interjection

thanks, (used as an informal expression of gratitude, appreciation, or acknowledgment).

Explanation:

if someone give you you're going to say thanks to them ok

Answer:

An expression of gratitude

 A good feeling that you have towards someone who has helped you, given something to you, etc.