The annular (oval) solar eclipse next year, October 23, 2023, will be visible (with protective lens) in an area from Oregon to Texas. Six months later, April 8, 2024, a total solar eclipse will be visible from Mexico- US - Canada. Numerous

So, while the simple explanation of a solar eclipse is seeing a "lunar shadow of the Moon passing between Earth and the Sun"; the American Astronomical Society offers a very extensive description.

Related story Solar Eclipse