A concept is an idea or thought that helps to understand or explain something. It is a basic understanding or perception of a topic or a situation. Full definition
«It's a proof of concept of an instrument that will take water out of the atmosphere to produce liquid water for astronauts,» he says. (newscientist.com)
There are many apps and tools that students can use to demonstrate understanding of concepts in any subject. (edutopia.org)
The district is trying to decide among a number of concepts for developing the site, including a driving range, ball fields or a miniature golf course. (articles.chicagotribune.com)