An elementary particle is a fundamental particle that is not composed of smaller constituents. These particles are the building blocks of matter and are categorized into two main types: fermions and bosons. Fermions, which include quarks and leptons, constitute matter particles. Quarks combine to form composite particles called hadrons, such as protons and neutrons, while leptons, like electrons and neutrinos, are fundamental particles on their own. Bosons, on the other hand, are particles that mediate fundamental forces. For example, photons are the force carriers of the electromagnetic force, while W and Z bosons are associated with the weak nuclear force. The hypothetical Higgs boson is associated with giving particles mass through the Higgs mechanism. These elementary particles are studied extensively in particle physics to understand their properties, interactions, and roles in shaping the universe. Investigating these particles and their behavior is crucial in unraveling the fundamental laws governing the universe at its most fundamental level.