Difference between Vedas and Upanishads?

[Guru Kripa]

Basically, Upanishads are the parts of the Vedas, we can say that the end part of the Vedas is called Upanishads. There are four Vedas i.e, Rig, Yajur, Sama and Atharva and each is divided into Samhita, Brahmana, Aranyaka, and Upanishad.