Relating to the most basic or fundamental aspects of a subject. adjective
The book provides an elementary introduction to physics.
She has an elementary understanding of computer programming.
Pertaining to the early stages of education, typically covering basic subjects taught in primary or elementary school. adjective
He teaches at an elementary school in the city.
The curriculum includes elementary mathematics and reading.
Simple or straightforward, not complicated or advanced. adjective
The solution to the problem was elementary.
Her approach to the task was elementary but effective.