Convex hull is a polygonal area that is of smallest length and so that any pair of
points within the area have the line segment between them contained entirely inside the
area.

Convex

Non Convex (Concave)

Defining the convex Hull of a set of points is useful, for example in the case of
enclosing the points, using a fence of shortest total length.

Source Data

Convex Hull

While in general the Convex Hull is good to describe the shape
of the input data points, in many cases a polygon that describes better the
region occupied by the point cloud is needed. See the Create Concave Hull function

Convex Hull

Concave Hull

Inputs:

A feature layer (Point, Multipoint, Polyline, Polygon)