Watch this well explained video on all these terms. This information can be understood by technical and non-technical people.

Check it out here: https://www.youtube.com/watch?v=2Z1B0xESzMw&feature=youtu.be&fbclid=IwAR1cE48c3KRgH5JLy1dmh5pVVvGqASdi_sne4XJFv4q4hjVlPQKiGM6habI