A milestone in the sense of milestone planning is of particular importance in the course of an innovation project or in the life of a challenge. Similarly, a milestone in a project is also always an important goal or milestone. An essential part of a milestone is the sharp focus on deadlines and the associated communication.
A milestone can basically be understood as a time communicated to the outside world by which certain tasks must be completed. However, the milestone plan is also particularly suitable for communicating a project to other, non-involved colleagues and also stakeholders, as it very clearly describes and communicates only the essential milestones of the project.
A milestone plan can very usefully complement one or more more detailed action plans as a big picture, and its use is actually recommended for all medium to large challenges.