An intersection is a point where two or more features intersect, such as lines, polygons, or surfaces. Intersection points can be used to identify locations, to define relationships between features, and for spatial analysis.

For example, an intersection can be used to determine if two roads cross each other, or if a road goes through a series of lakes. An intersection can also be used to determine the distance between two features or the area of a polygon.

Intersection is often used for route finding and navigation. For instance, a trucking company can use intersection points along a highway to identify routes and find optimal paths. Intersection points can also be used in public transportation systems to plan routes and minimize travel times.

In addition, intersection points can be used in environmental modelling and in natural resource management. For example, they can be used to identify the most productive regions for forestry operations or to establish water catchment basins. Intersections can also be used to locate areas that are potentially hazardous or in need of conservation.

Intersections can also be used to identify specific objects in images or satellite imagery. For instance, a computerized image recognition system can use intersection points to pinpoint different types of features in a digital image.