What is a positive or negative charges?

What is a positive or negative charges?
What is a positive or negative charges

Electric charge - Wikipedia

Electricity

Positive and Negative Charge - ppt download

Electric potential (article)

Sample Problem

Physics Tutorial: Charge Interactions

Negative Charge & Electrons, Definition & Origins - Lesson

Positive and Negative Charge - ppt download

Charge क्या होता है, What is Electric Charge, Electric charge, Negative Charge, Positive Charge

electrostatics - Why does the Earth suck both positive and negative charges? - Physics Stack Exchange

Electric Field Lines: Multiple Charges

How do I check if it is a positive charge or negative charge?