Einstein's theory of general relativity indeed describes gravity as the curvature of spacetime caused by the presence of mass and energy. However, it's important to note that the concept of curvature of space is specific to gravity and does not directly apply to other fundamental forces like electromagnetism.
In the case of gravity, the theory of general relativity proposes that the presence of mass and energy curves the fabric of spacetime itself, and objects with mass or energy move along the curves created by this curvature. This curvature is what we perceive as the force of gravity.
On the other hand, electromagnetism, which includes phenomena such as magnetism, is described by a different theory called quantum electrodynamics (QED). In QED, the fundamental forces between electrically charged particles are mediated by particles called photons, which are quanta of the electromagnetic field. The interactions between charged particles are described through the exchange of these photons.
In the context of electromagnetism, the behavior of the electromagnetic field is not explained in terms of the curvature of spacetime. Instead, it is described by a set of mathematical equations called Maxwell's equations, which govern the behavior of electric and magnetic fields.
So, while the curvature of spacetime is a key concept in understanding gravity within the framework of general relativity, it doesn't directly apply to electromagnetism. The two forces have distinct theoretical frameworks and are described by different mathematical formulations.